{"id":137291,"date":"2020-04-21T13:42:16","date_gmt":"2020-04-21T11:42:16","guid":{"rendered":"https:\/\/www.cined.com\/?p=137291"},"modified":"2020-04-22T15:13:35","modified_gmt":"2020-04-22T13:13:35","slug":"canon-c300-mark-iii-lab-test-pre-production-dynamic-range-rolling-shutter-and-latitude","status":"publish","type":"post","link":"https:\/\/staging.cined.dev\/es\/canon-c300-mark-iii-lab-test-pre-production-dynamic-range-rolling-shutter-and-latitude\/","title":{"rendered":"Prueba de laboratorio de la Canon C300 Mark III (preproducci\u00f3n): rango din\u00e1mico, rolling shutter y latitud"},"content":{"rendered":"<p><strong>Poco despu\u00e9s de publicar nuestra prueba de laboratorio de la  <a href=\"https:\/\/www.bhphotovideo.com\/c\/product\/1503484-REG\/canon_3794c007_eos_c500_ii_4k.html\/BI\/7953\/KBID\/8488\/SID\/gunther\/\" class=\"content-keyword-linked\" target=\"_blank\" rel=\"nofollow noopener noreferrer\">Canon C500 Mark II<\/a> la semana pasada, nos enteramos que nos dar\u00edan anticip\u00e1damente una Canon C300 Mark III de preproducci\u00f3n en nuestra sede en Viena. Obviamente, tuvimos que echarle un vistazo de &#8220;prueba de laboratorio&#8221; al Super 35, la \u00faltima incorporaci\u00f3n de Canon a su l\u00ednea de c\u00e1maras de cine.<\/strong><\/p>\n<p>Despu\u00e9s de 5 semanas trabajando desde casa, dejando mi tiempo libre principalmente para una r\u00e1pida caminata con mi perro y la compra de comida, ten\u00eda que aprovechar esta oportunidad. As\u00ed que tom\u00e9 mi barbijo, salud\u00e9 a Nino manteniendo la distancia sugerida y despu\u00e9s de tomar un caf\u00e9 juntos r\u00e1pidamente (y despu\u00e9s de lavarnos las manos) nos dirigimos directamente a lo que nos convocaba.<\/p>\n<p>Ten en cuenta que Canon mencion\u00f3 que se trata de una unidad de preproducci\u00f3n, el firmware utilizado fue 1.8.1.1; la imagen final puede cambiar cuando sea lanzada la c\u00e1mara. Sin embargo, est\u00e1bamos muy interesados \u200b\u200ben obtener un punto de referencia de laboratorio para esta nueva c\u00e1mara, \u00a1as\u00ed que aqu\u00ed vamos!<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-large wp-image-136854\" src=\"https:\/\/www.cined.com\/content\/uploads\/2020\/04\/Cover-Image-1-640x360.jpg\" alt=\"\" width=\"640\" height=\"360\" srcset=\"https:\/\/staging.cined.dev\/content\/uploads\/2020\/04\/Cover-Image-1-640x360.jpg 640w, https:\/\/staging.cined.dev\/content\/uploads\/2020\/04\/Cover-Image-1-300x169.jpg 300w, https:\/\/staging.cined.dev\/content\/uploads\/2020\/04\/Cover-Image-1-768x432.jpg 768w, https:\/\/staging.cined.dev\/content\/uploads\/2020\/04\/Cover-Image-1-1536x864.jpg 1536w, https:\/\/staging.cined.dev\/content\/uploads\/2020\/04\/Cover-Image-1-340x190.jpg 340w, https:\/\/staging.cined.dev\/content\/uploads\/2020\/04\/Cover-Image-1-409x230.jpg 409w, https:\/\/staging.cined.dev\/content\/uploads\/2020\/04\/Cover-Image-1-1600x900.jpg 1600w, https:\/\/staging.cined.dev\/content\/uploads\/2020\/04\/Cover-Image-1.jpg 1920w\" sizes=\"auto, (max-width: 640px) 100vw, 640px\" \/><\/p>\n<p>El tiempo era muy limitado, lo cual no es la mejor condici\u00f3n para realizar una prueba de laboratorio exhaustiva. Sin embargo, como acabamos de analizar la C500 Mark II en el laboratorio (chequea nuestro art\u00edculo <a href=\"https:\/\/www.cined.com\/es\/canon-c500-markii-lab-test-dynamic-range-latitude-rolling-shutter\/\">aqu\u00ed<\/a>) y r\u00e1pidamente vimos que la C300 Mark III tiene el mismo cuerpo, la estructura del men\u00fa y muchas otras caracter\u00edsticas, incluidos los c\u00f3decs, configuramos la c\u00e1mara r\u00e1pidamente y nos enfocamos en los 10 bits XF-AVC y en la obtenci\u00f3n de im\u00e1genes DCI 4K (el modo de grabaci\u00f3n raw interno tambi\u00e9n est\u00e1 disponible).<\/p>\n<p>Canon afirma en su comunicado de prensa que este nuevo sensor Super 35 en la C300 Mark III utiliza un circuito de ganancia dual para capturar en mayor detalle las luces y sombras, lo que deber\u00eda traducirse en un muy buen rango din\u00e1mico.<\/p>\n<h2>Rango din\u00e1mico de la Canon C300 Mark III en ISO800<\/h2>\n<p>No hab\u00eda informaci\u00f3n espec\u00edfica sobre qu\u00e9 ISO producir\u00eda los mejores resultados de rango din\u00e1mico, as\u00ed que elegimos un ISO800 para hacer nuestras pruebas. Como se mencion\u00f3 anteriormente, se utiliz\u00f3 el c\u00f3dec interno XF-AVC de 10 bits con Canon Log2\/ C.Gamut (matriz de color &#8220;neutral&#8221;, reducci\u00f3n de ruido &#8220;apagado&#8221;) a una resoluci\u00f3n de 4096\u00d72160 a 25 fotogramas por segundo.<\/p>\n<p>Canon afirma que su estructura de doble ganancia estar\u00e1 activa de 24 a 60 fotogramas por segundo, por esta raz\u00f3n, decidimos probar 25, 60, 75 y 120 fotogramas por segundo.<\/p>\n<p>Y aqu\u00ed est\u00e1 el resultado para 25-60 fps, mira la figura 1 a continuaci\u00f3n: se calculan unas s\u00f3lidas 12.8 paradas con una relaci\u00f3n se\u00f1al\/ruido de 2. Este resultado de rango din\u00e1mico es el mismo para 60 fotogramas por segundo, un resultado realmente bueno para un sensor Super 35. A modo de comparaci\u00f3n, la BMPCC6K muestra 11.9 paradas en nuestras pruebas, mientras que la FUJIFILM X-T3 11.2 paradas.<\/p>\n<div id=\"attachment_136803\" style=\"width: 653px\" class=\"wp-caption aligncenter\"><a href=\"https:\/\/www.cined.com\/content\/uploads\/2020\/04\/DR-Result-Canon-C300MK3-CLOG2-ISO800-4096x2160-XF-AVC-25fps-A001C037_20041700_CANON_0019_Step_2.jpg\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-136803\" class=\"wp-image-136803 size-full\" src=\"https:\/\/www.cined.com\/content\/uploads\/2020\/04\/DR-Result-Canon-C300MK3-CLOG2-ISO800-4096x2160-XF-AVC-25fps-A001C037_20041700_CANON_0019_Step_2.jpg\" alt=\"\" width=\"643\" height=\"689\" srcset=\"https:\/\/staging.cined.dev\/content\/uploads\/2020\/04\/DR-Result-Canon-C300MK3-CLOG2-ISO800-4096x2160-XF-AVC-25fps-A001C037_20041700_CANON_0019_Step_2.jpg 643w, https:\/\/staging.cined.dev\/content\/uploads\/2020\/04\/DR-Result-Canon-C300MK3-CLOG2-ISO800-4096x2160-XF-AVC-25fps-A001C037_20041700_CANON_0019_Step_2-300x321.jpg 300w, https:\/\/staging.cined.dev\/content\/uploads\/2020\/04\/DR-Result-Canon-C300MK3-CLOG2-ISO800-4096x2160-XF-AVC-25fps-A001C037_20041700_CANON_0019_Step_2-640x686.jpg 640w, https:\/\/staging.cined.dev\/content\/uploads\/2020\/04\/DR-Result-Canon-C300MK3-CLOG2-ISO800-4096x2160-XF-AVC-25fps-A001C037_20041700_CANON_0019_Step_2-215x230.jpg 215w\" sizes=\"auto, (max-width: 643px) 100vw, 643px\" \/><\/a><p id=\"caption-attachment-136803\" class=\"wp-caption-text\">Fig. 1: Resultados del IMATEST para la Canon C300 Mark III a 25 fps, ISO 800, CLOG2\/C.Gamut, DCI 4K. Se calculan 12.8 paradas muy s\u00f3lidas para una relaci\u00f3n se\u00f1al\/ruido de 2.<\/p><\/div>\n<p>El gr\u00e1fico de forma de onda del diagrama Xyla 21 confirma este resultado, observa la figura 2:<\/p>\n<div id=\"attachment_136818\" style=\"width: 1707px\" class=\"wp-caption aligncenter\"><a href=\"https:\/\/www.cined.com\/content\/uploads\/2020\/04\/Waveform-Canon-C300-MK3-XF-AVC-CLOG2-4096x2160-25fps-ISO800.jpg\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-136818\" class=\"wp-image-136818 size-full\" src=\"https:\/\/www.cined.com\/content\/uploads\/2020\/04\/Waveform-Canon-C300-MK3-XF-AVC-CLOG2-4096x2160-25fps-ISO800.jpg\" alt=\"\" width=\"1697\" height=\"800\" srcset=\"https:\/\/staging.cined.dev\/content\/uploads\/2020\/04\/Waveform-Canon-C300-MK3-XF-AVC-CLOG2-4096x2160-25fps-ISO800.jpg 1697w, https:\/\/staging.cined.dev\/content\/uploads\/2020\/04\/Waveform-Canon-C300-MK3-XF-AVC-CLOG2-4096x2160-25fps-ISO800-300x141.jpg 300w, https:\/\/staging.cined.dev\/content\/uploads\/2020\/04\/Waveform-Canon-C300-MK3-XF-AVC-CLOG2-4096x2160-25fps-ISO800-640x302.jpg 640w, https:\/\/staging.cined.dev\/content\/uploads\/2020\/04\/Waveform-Canon-C300-MK3-XF-AVC-CLOG2-4096x2160-25fps-ISO800-768x362.jpg 768w, https:\/\/staging.cined.dev\/content\/uploads\/2020\/04\/Waveform-Canon-C300-MK3-XF-AVC-CLOG2-4096x2160-25fps-ISO800-1536x724.jpg 1536w, https:\/\/staging.cined.dev\/content\/uploads\/2020\/04\/Waveform-Canon-C300-MK3-XF-AVC-CLOG2-4096x2160-25fps-ISO800-488x230.jpg 488w\" sizes=\"auto, (max-width: 1697px) 100vw, 1697px\" \/><\/a><p id=\"caption-attachment-136818\" class=\"wp-caption-text\">Fig.2: Gr\u00e1fico de forma de onda del diagrama de pasos Xyla 21 para la Canon C300 Mark III a 25 fps, ISO 800, CLOG2\/C.Gamut, DCI 4K. Se pueden identificar alrededor de 13 paradas sobre el piso de ruido.<\/p><\/div>\n<p>A 75 fotogramas por segundo (DCI 4K) la situaci\u00f3n cambia, ya que la estructura de doble ganancia del sensor ya no est\u00e1 activa. Esto se puede ver en el gr\u00e1fico de forma de onda en la figura 3 a continuaci\u00f3n: la imagen se vuelve mucho m\u00e1s ruidosa y se pueden identificar alrededor de 12 paradas por encima del nivel de ruido aumentado:<\/p>\n<div id=\"attachment_136821\" style=\"width: 1713px\" class=\"wp-caption aligncenter\"><a href=\"https:\/\/www.cined.com\/content\/uploads\/2020\/04\/Waveform-Canon-C300-MK3-XF-AVC-CLOG2-4096x2160-75fps-ISO800.jpg\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-136821\" class=\"wp-image-136821 size-full\" src=\"https:\/\/www.cined.com\/content\/uploads\/2020\/04\/Waveform-Canon-C300-MK3-XF-AVC-CLOG2-4096x2160-75fps-ISO800.jpg\" alt=\"\" width=\"1703\" height=\"791\" srcset=\"https:\/\/staging.cined.dev\/content\/uploads\/2020\/04\/Waveform-Canon-C300-MK3-XF-AVC-CLOG2-4096x2160-75fps-ISO800.jpg 1703w, https:\/\/staging.cined.dev\/content\/uploads\/2020\/04\/Waveform-Canon-C300-MK3-XF-AVC-CLOG2-4096x2160-75fps-ISO800-300x139.jpg 300w, https:\/\/staging.cined.dev\/content\/uploads\/2020\/04\/Waveform-Canon-C300-MK3-XF-AVC-CLOG2-4096x2160-75fps-ISO800-640x297.jpg 640w, https:\/\/staging.cined.dev\/content\/uploads\/2020\/04\/Waveform-Canon-C300-MK3-XF-AVC-CLOG2-4096x2160-75fps-ISO800-768x357.jpg 768w, https:\/\/staging.cined.dev\/content\/uploads\/2020\/04\/Waveform-Canon-C300-MK3-XF-AVC-CLOG2-4096x2160-75fps-ISO800-1536x713.jpg 1536w, https:\/\/staging.cined.dev\/content\/uploads\/2020\/04\/Waveform-Canon-C300-MK3-XF-AVC-CLOG2-4096x2160-75fps-ISO800-495x230.jpg 495w\" sizes=\"auto, (max-width: 1703px) 100vw, 1703px\" \/><\/a><p id=\"caption-attachment-136821\" class=\"wp-caption-text\">Fig. 3: Gr\u00e1fico de forma de onda del diagrama de pasos Xyla 21 para la Canon C300 Mark III a 75 fps, ISO 800, CLOG2\/C.Gamut, DCI 4K. La estructura de doble ganancia ya no est\u00e1 activa: se pueden identificar aproximadamente 12 paradas por encima del nivel de ruido.<\/p><\/div>\n<p>IMATEST confirma esto y calcula 11.6 paradas (con una relaci\u00f3n se\u00f1al\/ruido de 2, valor medio en el gr\u00e1fico a continuaci\u00f3n) &#8211; \u00a1aun as\u00ed es un muy buen resultado!<\/p>\n<div id=\"attachment_136806\" style=\"width: 653px\" class=\"wp-caption aligncenter\"><a href=\"https:\/\/www.cined.com\/content\/uploads\/2020\/04\/DR-Result-Canon-C300MK3-CLOG2-ISO800-4096x2160-XF-AVC-75fps-A001C041_2004170Z_CANON_0063_Step_2.jpg\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-136806\" class=\"wp-image-136806 size-full\" src=\"https:\/\/www.cined.com\/content\/uploads\/2020\/04\/DR-Result-Canon-C300MK3-CLOG2-ISO800-4096x2160-XF-AVC-75fps-A001C041_2004170Z_CANON_0063_Step_2.jpg\" alt=\"\" width=\"643\" height=\"689\" srcset=\"https:\/\/staging.cined.dev\/content\/uploads\/2020\/04\/DR-Result-Canon-C300MK3-CLOG2-ISO800-4096x2160-XF-AVC-75fps-A001C041_2004170Z_CANON_0063_Step_2.jpg 643w, https:\/\/staging.cined.dev\/content\/uploads\/2020\/04\/DR-Result-Canon-C300MK3-CLOG2-ISO800-4096x2160-XF-AVC-75fps-A001C041_2004170Z_CANON_0063_Step_2-300x321.jpg 300w, https:\/\/staging.cined.dev\/content\/uploads\/2020\/04\/DR-Result-Canon-C300MK3-CLOG2-ISO800-4096x2160-XF-AVC-75fps-A001C041_2004170Z_CANON_0063_Step_2-640x686.jpg 640w, https:\/\/staging.cined.dev\/content\/uploads\/2020\/04\/DR-Result-Canon-C300MK3-CLOG2-ISO800-4096x2160-XF-AVC-75fps-A001C041_2004170Z_CANON_0063_Step_2-215x230.jpg 215w\" sizes=\"auto, (max-width: 643px) 100vw, 643px\" \/><\/a><p id=\"caption-attachment-136806\" class=\"wp-caption-text\">Fig. 4: Gr\u00e1fico de forma de onda del diagrama de pasos Xyla 21 para la Canon C300 Mark III a 75 fps, ISO 800, CLOG2\/C.Gamut, DCI 4K. La estructura de doble ganancia ya no est\u00e1 activa: se calculan 11.6 paradas.<\/p><\/div>\n<h2>Rolling Shutter de la Canon C300 Mark III<\/h2>\n<p>Como se mencion\u00f3 anteriormente, utilizamos una luz estrobosc\u00f3pica a 300 Hz para calcular el rolling shutter de los sensores CMOS.<\/p>\n<p>Primer resultado interesante: a 25 fps y hasta 60 fps revela un rolling shutter de 15.6 [ms] que se observa en la figura 5 a continuaci\u00f3n:<\/p>\n<p><div id=\"attachment_136897\" style=\"width: 1930px\" class=\"wp-caption aligncenter\"><a href=\"https:\/\/www.cined.com\/content\/uploads\/2020\/04\/RS-C300-MKIII-25fps-4KDCI-15_6ms.jpg\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-136897\" class=\"wp-image-136897 size-full\" src=\"https:\/\/www.cined.com\/content\/uploads\/2020\/04\/RS-C300-MKIII-25fps-4KDCI-15_6ms.jpg\" alt=\"\" width=\"1920\" height=\"1080\" srcset=\"https:\/\/staging.cined.dev\/content\/uploads\/2020\/04\/RS-C300-MKIII-25fps-4KDCI-15_6ms.jpg 1920w, https:\/\/staging.cined.dev\/content\/uploads\/2020\/04\/RS-C300-MKIII-25fps-4KDCI-15_6ms-300x169.jpg 300w, https:\/\/staging.cined.dev\/content\/uploads\/2020\/04\/RS-C300-MKIII-25fps-4KDCI-15_6ms-640x360.jpg 640w, https:\/\/staging.cined.dev\/content\/uploads\/2020\/04\/RS-C300-MKIII-25fps-4KDCI-15_6ms-768x432.jpg 768w, https:\/\/staging.cined.dev\/content\/uploads\/2020\/04\/RS-C300-MKIII-25fps-4KDCI-15_6ms-1536x864.jpg 1536w, https:\/\/staging.cined.dev\/content\/uploads\/2020\/04\/RS-C300-MKIII-25fps-4KDCI-15_6ms-340x190.jpg 340w, https:\/\/staging.cined.dev\/content\/uploads\/2020\/04\/RS-C300-MKIII-25fps-4KDCI-15_6ms-409x230.jpg 409w, https:\/\/staging.cined.dev\/content\/uploads\/2020\/04\/RS-C300-MKIII-25fps-4KDCI-15_6ms-1600x900.jpg 1600w\" sizes=\"auto, (max-width: 1920px) 100vw, 1920px\" \/><\/a><p id=\"caption-attachment-136897\" class=\"wp-caption-text\">Fig.5: a 25 y hasta 60 fotogramas por segundo, tiene un Rolling shutter de 15.6 [ms] en modo DCI 4K.<\/p><\/div>Este es un buen valor, pero no es excepcional para un rolling shutter: otras c\u00e1maras Super35 como la FUJIFILM X-T3 est\u00e1n en el mismo nivel, la BMPCC6K mencionada anteriormente tiene 19.8 [ms].<\/p>\n<p>Ahora, esta c\u00e1mara tambi\u00e9n ofrece hasta 120 fotogramas por segundo en 4096\u00d72160, \u00bfc\u00f3mo funciona esto? Un rolling shutter de 15.6 [ms] no admitir\u00eda velocidades de cuadro superiores a 60 fp<\/p>\n<p>Obviamente, al eliminar la lectura de ganancia dual a partir de 75 fps en adelante, el rolling shutter cae a 7.7 [ms], mira la figura 6:<\/p>\n<div id=\"attachment_136894\" style=\"width: 1930px\" class=\"wp-caption aligncenter\"><a href=\"https:\/\/www.cined.com\/content\/uploads\/2020\/04\/RS-C300-Mark-III-75fps-4K-DCI-7_7ms.jpg\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-136894\" class=\"wp-image-136894 size-full\" src=\"https:\/\/www.cined.com\/content\/uploads\/2020\/04\/RS-C300-Mark-III-75fps-4K-DCI-7_7ms.jpg\" alt=\"\" width=\"1920\" height=\"1080\" srcset=\"https:\/\/staging.cined.dev\/content\/uploads\/2020\/04\/RS-C300-Mark-III-75fps-4K-DCI-7_7ms.jpg 1920w, https:\/\/staging.cined.dev\/content\/uploads\/2020\/04\/RS-C300-Mark-III-75fps-4K-DCI-7_7ms-300x169.jpg 300w, https:\/\/staging.cined.dev\/content\/uploads\/2020\/04\/RS-C300-Mark-III-75fps-4K-DCI-7_7ms-640x360.jpg 640w, https:\/\/staging.cined.dev\/content\/uploads\/2020\/04\/RS-C300-Mark-III-75fps-4K-DCI-7_7ms-768x432.jpg 768w, https:\/\/staging.cined.dev\/content\/uploads\/2020\/04\/RS-C300-Mark-III-75fps-4K-DCI-7_7ms-1536x864.jpg 1536w, https:\/\/staging.cined.dev\/content\/uploads\/2020\/04\/RS-C300-Mark-III-75fps-4K-DCI-7_7ms-340x190.jpg 340w, https:\/\/staging.cined.dev\/content\/uploads\/2020\/04\/RS-C300-Mark-III-75fps-4K-DCI-7_7ms-409x230.jpg 409w, https:\/\/staging.cined.dev\/content\/uploads\/2020\/04\/RS-C300-Mark-III-75fps-4K-DCI-7_7ms-1600x900.jpg 1600w\" sizes=\"auto, (max-width: 1920px) 100vw, 1920px\" \/><\/a><p id=\"caption-attachment-136894\" class=\"wp-caption-text\">Fig. 6: a 75 fps y hasta 120 fotogramas por segundo, arroja un rolling shutter de 7.7 [ms], en modo DCI 4K, ya que la lectura de ganancia dual ya no est\u00e1 activa a estas velocidades de cuadro.<\/p><\/div>\n<h2>Prueba de latitud (subexposici\u00f3n) de la Canon C300 Mark III en ISO800<\/h2>\n<p>Como se mencion\u00f3 anteriormente, &#8220;latitud&#8221; es la capacidad de una c\u00e1mara para retener detalles y colores cuando se sobreexpone o subexpone la imagen y es llevada hacia una exposici\u00f3n cero.<\/p>\n<p>En nuestra escena de prueba de laboratorio, el nivel de exposici\u00f3n cero representa una exposici\u00f3n base de F4 a ISO800, \u00e1ngulo de obturaci\u00f3n 360\u00b0 para DCI 4K de 25 fps. El nivel de exposici\u00f3n se verifica mediante la lectura de la forma de onda de la cara de mi colega Nino, que muestra un valor m\u00e1ximo de luma de 60%, mientras que la hoja de papel blanco llega a 65%.<\/p>\n<p>Luego, la exposici\u00f3n se fue reduciendo sucesivamente a 180\u00b0, 90\u00b0, 45\u00b0, 22.5\u00b0 y finalmente un \u00e1ngulo de obturaci\u00f3n de 11.25\u00b0: 5 paradas subexpuestas. Las tomas se llevaron al nivel de exposici\u00f3n cero en la postproducci\u00f3n usando DaVinci Resolve Studio.<\/p>\n<p>Alerta de spoiler &#8211; \u00a1Los buenos resultados de rango din\u00e1mico dan una fuerte indicaci\u00f3n de que esta prueba saldr\u00e1 muy bien con la C300 Mark III.<\/p>\n<p>Veamos primero el nivel de exposici\u00f3n cero:<\/p>\n<div id=\"attachment_136824\" style=\"width: 1930px\" class=\"wp-caption aligncenter\"><a href=\"https:\/\/www.cined.com\/content\/uploads\/2020\/04\/C300-MK3-0-under_1.5.2.jpg\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-136824\" class=\"wp-image-136824 size-full\" src=\"https:\/\/www.cined.com\/content\/uploads\/2020\/04\/C300-MK3-0-under_1.5.2.jpg\" alt=\"\" width=\"1920\" height=\"1080\" srcset=\"https:\/\/staging.cined.dev\/content\/uploads\/2020\/04\/C300-MK3-0-under_1.5.2.jpg 1920w, https:\/\/staging.cined.dev\/content\/uploads\/2020\/04\/C300-MK3-0-under_1.5.2-300x169.jpg 300w, https:\/\/staging.cined.dev\/content\/uploads\/2020\/04\/C300-MK3-0-under_1.5.2-640x360.jpg 640w, https:\/\/staging.cined.dev\/content\/uploads\/2020\/04\/C300-MK3-0-under_1.5.2-768x432.jpg 768w, https:\/\/staging.cined.dev\/content\/uploads\/2020\/04\/C300-MK3-0-under_1.5.2-1536x864.jpg 1536w, https:\/\/staging.cined.dev\/content\/uploads\/2020\/04\/C300-MK3-0-under_1.5.2-340x190.jpg 340w, https:\/\/staging.cined.dev\/content\/uploads\/2020\/04\/C300-MK3-0-under_1.5.2-409x230.jpg 409w, https:\/\/staging.cined.dev\/content\/uploads\/2020\/04\/C300-MK3-0-under_1.5.2-1600x900.jpg 1600w\" sizes=\"auto, (max-width: 1920px) 100vw, 1920px\" \/><\/a><p id=\"caption-attachment-136824\" class=\"wp-caption-text\">Fig.7: nivel de exposici\u00f3n cero\/base (gradado) para la escena de estudio con la C300 Mark III a 25 fps, \u00e1ngulo de obturaci\u00f3n de 360\u200b\u200b\u00b0 a F4.<\/p><\/div>\n<p>Sigamos avanzando y ech\u00e9mosle un vistazo a la imagen de 3 paradas subexpuestas en la figura 8 que est\u00e1 a continuaci\u00f3n:<\/p>\n<div id=\"attachment_136879\" style=\"width: 1930px\" class=\"wp-caption aligncenter\"><a href=\"https:\/\/www.cined.com\/content\/uploads\/2020\/04\/C300-MKIII-3-under_1.4.1.jpg\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-136879\" class=\"wp-image-136879 size-full\" src=\"https:\/\/www.cined.com\/content\/uploads\/2020\/04\/C300-MKIII-3-under_1.4.1.jpg\" alt=\"\" width=\"1920\" height=\"1080\" srcset=\"https:\/\/staging.cined.dev\/content\/uploads\/2020\/04\/C300-MKIII-3-under_1.4.1.jpg 1920w, https:\/\/staging.cined.dev\/content\/uploads\/2020\/04\/C300-MKIII-3-under_1.4.1-300x169.jpg 300w, https:\/\/staging.cined.dev\/content\/uploads\/2020\/04\/C300-MKIII-3-under_1.4.1-640x360.jpg 640w, https:\/\/staging.cined.dev\/content\/uploads\/2020\/04\/C300-MKIII-3-under_1.4.1-768x432.jpg 768w, https:\/\/staging.cined.dev\/content\/uploads\/2020\/04\/C300-MKIII-3-under_1.4.1-1536x864.jpg 1536w, https:\/\/staging.cined.dev\/content\/uploads\/2020\/04\/C300-MKIII-3-under_1.4.1-340x190.jpg 340w, https:\/\/staging.cined.dev\/content\/uploads\/2020\/04\/C300-MKIII-3-under_1.4.1-409x230.jpg 409w, https:\/\/staging.cined.dev\/content\/uploads\/2020\/04\/C300-MKIII-3-under_1.4.1-1600x900.jpg 1600w\" sizes=\"auto, (max-width: 1920px) 100vw, 1920px\" \/><\/a><p id=\"caption-attachment-136879\" class=\"wp-caption-text\">Fig. 8: 3 paradas subexpuestas y devueltas a cero: la C300 Mark III a 25 fps, \u00e1ngulo de obturaci\u00f3n de 45\u00b0a F4.<\/p><\/div>\n<p>No hay mucho que ver en la figura 8, \u00bfverdad? La C300 Mark III se comporta muy bien en este nivel de exposici\u00f3n. La imagen se vuelve un poco gris\u00e1cea y comienzan a aparecer algunas manchas rojizas de ruido (mira el \u00e1rea de sombra debajo de la mejilla de Nino). Esas manchas pueden eliminarse f\u00e1cilmente con apenas un poco de reducci\u00f3n de ruido temporal en la postproducci\u00f3n.<\/p>\n<div id=\"attachment_136876\" style=\"width: 1930px\" class=\"wp-caption aligncenter\"><a href=\"https:\/\/www.cined.com\/content\/uploads\/2020\/04\/C300-MKIII-4-under_1.5.1.jpg\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-136876\" class=\"wp-image-136876 size-full\" src=\"https:\/\/www.cined.com\/content\/uploads\/2020\/04\/C300-MKIII-4-under_1.5.1.jpg\" alt=\"\" width=\"1920\" height=\"1080\" srcset=\"https:\/\/staging.cined.dev\/content\/uploads\/2020\/04\/C300-MKIII-4-under_1.5.1.jpg 1920w, https:\/\/staging.cined.dev\/content\/uploads\/2020\/04\/C300-MKIII-4-under_1.5.1-300x169.jpg 300w, https:\/\/staging.cined.dev\/content\/uploads\/2020\/04\/C300-MKIII-4-under_1.5.1-640x360.jpg 640w, https:\/\/staging.cined.dev\/content\/uploads\/2020\/04\/C300-MKIII-4-under_1.5.1-768x432.jpg 768w, https:\/\/staging.cined.dev\/content\/uploads\/2020\/04\/C300-MKIII-4-under_1.5.1-1536x864.jpg 1536w, https:\/\/staging.cined.dev\/content\/uploads\/2020\/04\/C300-MKIII-4-under_1.5.1-340x190.jpg 340w, https:\/\/staging.cined.dev\/content\/uploads\/2020\/04\/C300-MKIII-4-under_1.5.1-409x230.jpg 409w, https:\/\/staging.cined.dev\/content\/uploads\/2020\/04\/C300-MKIII-4-under_1.5.1-1600x900.jpg 1600w\" sizes=\"auto, (max-width: 1920px) 100vw, 1920px\" \/><\/a><p id=\"caption-attachment-136876\" class=\"wp-caption-text\">Fig. 9: 4 paradas subexpuestas y devueltas a cero: la C300 Mark III a ISO800, 25 fps, \u00e1ngulo de obturaci\u00f3n de 22.5\u00b0 a F4.<\/p><\/div>\n<p>Se observa algo similiar para 4 paradas de subexposici\u00f3n vueltas hacia atr\u00e1s &#8211; figura 9: el ruido en las sombras aumenta, pero puede eliminarse de manera bastante efectiva con un poco de reducci\u00f3n temporal del ruido. El ruido permanece finamente disperso, como grano de pel\u00edcula, el cual luce muy bien (y se elimina f\u00e1cilmente mediante reducci\u00f3n de ruido).<\/p>\n<div id=\"attachment_136885\" style=\"width: 1930px\" class=\"wp-caption aligncenter\"><a href=\"https:\/\/www.cined.com\/content\/uploads\/2020\/04\/C300-MKIII-5-under_1.6.1.jpg\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-136885\" class=\"wp-image-136885 size-full\" src=\"https:\/\/www.cined.com\/content\/uploads\/2020\/04\/C300-MKIII-5-under_1.6.1.jpg\" alt=\"\" width=\"1920\" height=\"1080\" srcset=\"https:\/\/staging.cined.dev\/content\/uploads\/2020\/04\/C300-MKIII-5-under_1.6.1.jpg 1920w, https:\/\/staging.cined.dev\/content\/uploads\/2020\/04\/C300-MKIII-5-under_1.6.1-300x169.jpg 300w, https:\/\/staging.cined.dev\/content\/uploads\/2020\/04\/C300-MKIII-5-under_1.6.1-640x360.jpg 640w, https:\/\/staging.cined.dev\/content\/uploads\/2020\/04\/C300-MKIII-5-under_1.6.1-768x432.jpg 768w, https:\/\/staging.cined.dev\/content\/uploads\/2020\/04\/C300-MKIII-5-under_1.6.1-1536x864.jpg 1536w, https:\/\/staging.cined.dev\/content\/uploads\/2020\/04\/C300-MKIII-5-under_1.6.1-340x190.jpg 340w, https:\/\/staging.cined.dev\/content\/uploads\/2020\/04\/C300-MKIII-5-under_1.6.1-409x230.jpg 409w, https:\/\/staging.cined.dev\/content\/uploads\/2020\/04\/C300-MKIII-5-under_1.6.1-1600x900.jpg 1600w\" sizes=\"auto, (max-width: 1920px) 100vw, 1920px\" \/><\/a><p id=\"caption-attachment-136885\" class=\"wp-caption-text\">Fig. 10: 5 paradas subexpuestas y devueltas a cero: la C300 Mark III a 25 fps, \u00e1ngulo de obturaci\u00f3n de 11.25\u00b0 a F4.<\/p><\/div>\n<p>Finalmente, a las 5 paradas de subexposici\u00f3n, el ruido se vuelve un poco desagradable. Pero una vez m\u00e1s, puedes eliminarlo de manera bastante efectiva en la postproducci\u00f3n agregando reducci\u00f3n de ruido temporal (no es necesaria la reducci\u00f3n de ruido espacial), pero las \u00e1reas de sombra tienen sin embargo esas fuertes manchas de ruido rojizo, que se convierten en \u00e1reas posterizadas de rojo despu\u00e9s de realizar la reducci\u00f3n de ruido.<\/p>\n<p>Dir\u00eda que a\u00fan podr\u00eda salirse con la suya con esta imagen, ya que no muestra esas l\u00edneas horizontales\/verticales fijas como las dem\u00e1s c\u00e1maras probadas hasta el momento, las cuales distraen mucho en una imagen en movimiento y no se pueden eliminar f\u00e1cilmente en la postproducci\u00f3n.<\/p>\n<p>Aqu\u00ed hay un ejemplo del uso de reducci\u00f3n de ruido temporal de 3 cuadros en DaVinci Resolve, valor de umbrales: 15 (sin NR espacial), mira la figura 11 a continuaci\u00f3n:<\/p>\n<div id=\"attachment_136882\" style=\"width: 1930px\" class=\"wp-caption aligncenter\"><a href=\"https:\/\/www.cined.com\/content\/uploads\/2020\/04\/C300-MKIII-5-under-pushed-back_1.9.1.jpg\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-136882\" class=\"wp-image-136882 size-full\" src=\"https:\/\/www.cined.com\/content\/uploads\/2020\/04\/C300-MKIII-5-under-pushed-back_1.9.1.jpg\" alt=\"\" width=\"1920\" height=\"1080\" srcset=\"https:\/\/staging.cined.dev\/content\/uploads\/2020\/04\/C300-MKIII-5-under-pushed-back_1.9.1.jpg 1920w, https:\/\/staging.cined.dev\/content\/uploads\/2020\/04\/C300-MKIII-5-under-pushed-back_1.9.1-300x169.jpg 300w, https:\/\/staging.cined.dev\/content\/uploads\/2020\/04\/C300-MKIII-5-under-pushed-back_1.9.1-640x360.jpg 640w, https:\/\/staging.cined.dev\/content\/uploads\/2020\/04\/C300-MKIII-5-under-pushed-back_1.9.1-768x432.jpg 768w, https:\/\/staging.cined.dev\/content\/uploads\/2020\/04\/C300-MKIII-5-under-pushed-back_1.9.1-1536x864.jpg 1536w, https:\/\/staging.cined.dev\/content\/uploads\/2020\/04\/C300-MKIII-5-under-pushed-back_1.9.1-340x190.jpg 340w, https:\/\/staging.cined.dev\/content\/uploads\/2020\/04\/C300-MKIII-5-under-pushed-back_1.9.1-409x230.jpg 409w, https:\/\/staging.cined.dev\/content\/uploads\/2020\/04\/C300-MKIII-5-under-pushed-back_1.9.1-1600x900.jpg 1600w\" sizes=\"auto, (max-width: 1920px) 100vw, 1920px\" \/><\/a><p id=\"caption-attachment-136882\" class=\"wp-caption-text\">Fig. 11: 5 paradas subexpuestas y devueltas a cero: la C300 Mark III a ISO800, 25 fps, \u00e1ngulo de obturaci\u00f3n 11.25\u00b0 a F4 con reducci\u00f3n de ruido en DaVinci Resolve (3 cuadros temporales, valor de umbrales: 15, sin NR espacial)<\/p><\/div>\n<h2>Resumen<\/h2>\n<p>Este a\u00f1o, Canon nos sorprende a todos con sus nuevas c\u00e1maras innovadoras: la c\u00e1mara C500 Mark II full-frame de finales del a\u00f1o pasado ya estableci\u00f3 el punto de referencia en nuestro laboratorio para un sensor full-frame, y el sensor Super 35 de la C300 Mark III est\u00e1 casi en el mismo nivel, un excelente resultado de laboratorio, dejando atr\u00e1s todas las c\u00e1maras que tienen esta clase de sensores, con excepci\u00f3n de la ARRI Alexa, l\u00f3gicamente.<\/p>\n<p>Por lo tanto, obtiene el tercer lugar detr\u00e1s de la C500 Mark II y la ARRI Alexa. \u00a1Bien hecho, Canon!<\/p>\n<p><strong>\u00bfQu\u00e9 opinas sobre la nueva Canon C300 Mark III? \u00bfCrees que ganar\u00e1 un lugar firme en el mundo de la producci\u00f3n una vez se reanuden las actividades? Haznos saber lo que piensas en los comentarios a continuaci\u00f3n.<\/strong><\/p>\n<137291-main-buylinks\/>","protected":false,"clean_render":"<p><strong>Poco despu\u00e9s de publicar nuestra prueba de laboratorio de la  <a href=\"https:\/\/www.bhphotovideo.com\/c\/product\/1503484-REG\/canon_3794c007_eos_c500_ii_4k.html\/BI\/7953\/KBID\/8488\/SID\/gunther\/\" class=\"content-keyword-linked\" target=\"_blank\" rel=\"nofollow noopener noreferrer\">Canon C500 Mark II<\/a> la semana pasada, nos enteramos que nos dar\u00edan anticip\u00e1damente una Canon C300 Mark III de preproducci\u00f3n en nuestra sede en Viena. Obviamente, tuvimos que echarle un vistazo de &#8220;prueba de laboratorio&#8221; al Super 35, la \u00faltima incorporaci\u00f3n de Canon a su l\u00ednea de c\u00e1maras de cine.<\/strong><\/p>\n<p>Despu\u00e9s de 5 semanas trabajando desde casa, dejando mi tiempo libre principalmente para una r\u00e1pida caminata con mi perro y la compra de comida, ten\u00eda que aprovechar esta oportunidad. As\u00ed que tom\u00e9 mi barbijo, salud\u00e9 a Nino manteniendo la distancia sugerida y despu\u00e9s de tomar un caf\u00e9 juntos r\u00e1pidamente (y despu\u00e9s de lavarnos las manos) nos dirigimos directamente a lo que nos convocaba.<\/p>\n<p>Ten en cuenta que Canon mencion\u00f3 que se trata de una unidad de preproducci\u00f3n, el firmware utilizado fue 1.8.1.1; la imagen final puede cambiar cuando sea lanzada la c\u00e1mara. Sin embargo, est\u00e1bamos muy interesados \u200b\u200ben obtener un punto de referencia de laboratorio para esta nueva c\u00e1mara, \u00a1as\u00ed que aqu\u00ed vamos!<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-large wp-image-136854\" src=\"https:\/\/www.cined.com\/content\/uploads\/2020\/04\/Cover-Image-1-640x360.jpg\" alt=\"\" width=\"640\" height=\"360\" srcset=\"https:\/\/staging.cined.dev\/content\/uploads\/2020\/04\/Cover-Image-1-640x360.jpg 640w, https:\/\/staging.cined.dev\/content\/uploads\/2020\/04\/Cover-Image-1-300x169.jpg 300w, https:\/\/staging.cined.dev\/content\/uploads\/2020\/04\/Cover-Image-1-768x432.jpg 768w, https:\/\/staging.cined.dev\/content\/uploads\/2020\/04\/Cover-Image-1-1536x864.jpg 1536w, https:\/\/staging.cined.dev\/content\/uploads\/2020\/04\/Cover-Image-1-340x190.jpg 340w, https:\/\/staging.cined.dev\/content\/uploads\/2020\/04\/Cover-Image-1-409x230.jpg 409w, https:\/\/staging.cined.dev\/content\/uploads\/2020\/04\/Cover-Image-1-1600x900.jpg 1600w, https:\/\/staging.cined.dev\/content\/uploads\/2020\/04\/Cover-Image-1.jpg 1920w\" sizes=\"auto, (max-width: 640px) 100vw, 640px\" \/><\/p>\n<p>El tiempo era muy limitado, lo cual no es la mejor condici\u00f3n para realizar una prueba de laboratorio exhaustiva. Sin embargo, como acabamos de analizar la C500 Mark II en el laboratorio (chequea nuestro art\u00edculo <a href=\"https:\/\/www.cined.com\/es\/canon-c500-markii-lab-test-dynamic-range-latitude-rolling-shutter\/\">aqu\u00ed<\/a>) y r\u00e1pidamente vimos que la C300 Mark III tiene el mismo cuerpo, la estructura del men\u00fa y muchas otras caracter\u00edsticas, incluidos los c\u00f3decs, configuramos la c\u00e1mara r\u00e1pidamente y nos enfocamos en los 10 bits XF-AVC y en la obtenci\u00f3n de im\u00e1genes DCI 4K (el modo de grabaci\u00f3n raw interno tambi\u00e9n est\u00e1 disponible).<\/p>\n<p>Canon afirma en su comunicado de prensa que este nuevo sensor Super 35 en la C300 Mark III utiliza un circuito de ganancia dual para capturar en mayor detalle las luces y sombras, lo que deber\u00eda traducirse en un muy buen rango din\u00e1mico.<\/p>\n<h2>Rango din\u00e1mico de la Canon C300 Mark III en ISO800<\/h2>\n<p>No hab\u00eda informaci\u00f3n espec\u00edfica sobre qu\u00e9 ISO producir\u00eda los mejores resultados de rango din\u00e1mico, as\u00ed que elegimos un ISO800 para hacer nuestras pruebas. Como se mencion\u00f3 anteriormente, se utiliz\u00f3 el c\u00f3dec interno XF-AVC de 10 bits con Canon Log2\/ C.Gamut (matriz de color &#8220;neutral&#8221;, reducci\u00f3n de ruido &#8220;apagado&#8221;) a una resoluci\u00f3n de 4096\u00d72160 a 25 fotogramas por segundo.<\/p>\n<p>Canon afirma que su estructura de doble ganancia estar\u00e1 activa de 24 a 60 fotogramas por segundo, por esta raz\u00f3n, decidimos probar 25, 60, 75 y 120 fotogramas por segundo.<\/p>\n<p>Y aqu\u00ed est\u00e1 el resultado para 25-60 fps, mira la figura 1 a continuaci\u00f3n: se calculan unas s\u00f3lidas 12.8 paradas con una relaci\u00f3n se\u00f1al\/ruido de 2. Este resultado de rango din\u00e1mico es el mismo para 60 fotogramas por segundo, un resultado realmente bueno para un sensor Super 35. A modo de comparaci\u00f3n, la BMPCC6K muestra 11.9 paradas en nuestras pruebas, mientras que la FUJIFILM X-T3 11.2 paradas.<\/p>\n<div id=\"attachment_136803\"  class=\"wp-caption aligncenter\"><a href=\"https:\/\/www.cined.com\/content\/uploads\/2020\/04\/DR-Result-Canon-C300MK3-CLOG2-ISO800-4096x2160-XF-AVC-25fps-A001C037_20041700_CANON_0019_Step_2.jpg\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-136803\" class=\"wp-image-136803 size-full\" src=\"https:\/\/www.cined.com\/content\/uploads\/2020\/04\/DR-Result-Canon-C300MK3-CLOG2-ISO800-4096x2160-XF-AVC-25fps-A001C037_20041700_CANON_0019_Step_2.jpg\" alt=\"\" width=\"643\" height=\"689\" srcset=\"https:\/\/staging.cined.dev\/content\/uploads\/2020\/04\/DR-Result-Canon-C300MK3-CLOG2-ISO800-4096x2160-XF-AVC-25fps-A001C037_20041700_CANON_0019_Step_2.jpg 643w, https:\/\/staging.cined.dev\/content\/uploads\/2020\/04\/DR-Result-Canon-C300MK3-CLOG2-ISO800-4096x2160-XF-AVC-25fps-A001C037_20041700_CANON_0019_Step_2-300x321.jpg 300w, https:\/\/staging.cined.dev\/content\/uploads\/2020\/04\/DR-Result-Canon-C300MK3-CLOG2-ISO800-4096x2160-XF-AVC-25fps-A001C037_20041700_CANON_0019_Step_2-640x686.jpg 640w, https:\/\/staging.cined.dev\/content\/uploads\/2020\/04\/DR-Result-Canon-C300MK3-CLOG2-ISO800-4096x2160-XF-AVC-25fps-A001C037_20041700_CANON_0019_Step_2-215x230.jpg 215w\" sizes=\"auto, (max-width: 643px) 100vw, 643px\" \/><\/a><p id=\"caption-attachment-136803\" class=\"wp-caption-text\">Fig. 1: Resultados del IMATEST para la Canon C300 Mark III a 25 fps, ISO 800, CLOG2\/C.Gamut, DCI 4K. Se calculan 12.8 paradas muy s\u00f3lidas para una relaci\u00f3n se\u00f1al\/ruido de 2.<\/p><\/div>\n<p>El gr\u00e1fico de forma de onda del diagrama Xyla 21 confirma este resultado, observa la figura 2:<\/p>\n<div id=\"attachment_136818\"  class=\"wp-caption aligncenter\"><a href=\"https:\/\/www.cined.com\/content\/uploads\/2020\/04\/Waveform-Canon-C300-MK3-XF-AVC-CLOG2-4096x2160-25fps-ISO800.jpg\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-136818\" class=\"wp-image-136818 size-full\" src=\"https:\/\/www.cined.com\/content\/uploads\/2020\/04\/Waveform-Canon-C300-MK3-XF-AVC-CLOG2-4096x2160-25fps-ISO800.jpg\" alt=\"\" width=\"1697\" height=\"800\" srcset=\"https:\/\/staging.cined.dev\/content\/uploads\/2020\/04\/Waveform-Canon-C300-MK3-XF-AVC-CLOG2-4096x2160-25fps-ISO800.jpg 1697w, https:\/\/staging.cined.dev\/content\/uploads\/2020\/04\/Waveform-Canon-C300-MK3-XF-AVC-CLOG2-4096x2160-25fps-ISO800-300x141.jpg 300w, https:\/\/staging.cined.dev\/content\/uploads\/2020\/04\/Waveform-Canon-C300-MK3-XF-AVC-CLOG2-4096x2160-25fps-ISO800-640x302.jpg 640w, https:\/\/staging.cined.dev\/content\/uploads\/2020\/04\/Waveform-Canon-C300-MK3-XF-AVC-CLOG2-4096x2160-25fps-ISO800-768x362.jpg 768w, https:\/\/staging.cined.dev\/content\/uploads\/2020\/04\/Waveform-Canon-C300-MK3-XF-AVC-CLOG2-4096x2160-25fps-ISO800-1536x724.jpg 1536w, https:\/\/staging.cined.dev\/content\/uploads\/2020\/04\/Waveform-Canon-C300-MK3-XF-AVC-CLOG2-4096x2160-25fps-ISO800-488x230.jpg 488w\" sizes=\"auto, (max-width: 1697px) 100vw, 1697px\" \/><\/a><p id=\"caption-attachment-136818\" class=\"wp-caption-text\">Fig.2: Gr\u00e1fico de forma de onda del diagrama de pasos Xyla 21 para la Canon C300 Mark III a 25 fps, ISO 800, CLOG2\/C.Gamut, DCI 4K. Se pueden identificar alrededor de 13 paradas sobre el piso de ruido.<\/p><\/div>\n<p>A 75 fotogramas por segundo (DCI 4K) la situaci\u00f3n cambia, ya que la estructura de doble ganancia del sensor ya no est\u00e1 activa. Esto se puede ver en el gr\u00e1fico de forma de onda en la figura 3 a continuaci\u00f3n: la imagen se vuelve mucho m\u00e1s ruidosa y se pueden identificar alrededor de 12 paradas por encima del nivel de ruido aumentado:<\/p>\n<div id=\"attachment_136821\"  class=\"wp-caption aligncenter\"><a href=\"https:\/\/www.cined.com\/content\/uploads\/2020\/04\/Waveform-Canon-C300-MK3-XF-AVC-CLOG2-4096x2160-75fps-ISO800.jpg\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-136821\" class=\"wp-image-136821 size-full\" src=\"https:\/\/www.cined.com\/content\/uploads\/2020\/04\/Waveform-Canon-C300-MK3-XF-AVC-CLOG2-4096x2160-75fps-ISO800.jpg\" alt=\"\" width=\"1703\" height=\"791\" srcset=\"https:\/\/staging.cined.dev\/content\/uploads\/2020\/04\/Waveform-Canon-C300-MK3-XF-AVC-CLOG2-4096x2160-75fps-ISO800.jpg 1703w, https:\/\/staging.cined.dev\/content\/uploads\/2020\/04\/Waveform-Canon-C300-MK3-XF-AVC-CLOG2-4096x2160-75fps-ISO800-300x139.jpg 300w, https:\/\/staging.cined.dev\/content\/uploads\/2020\/04\/Waveform-Canon-C300-MK3-XF-AVC-CLOG2-4096x2160-75fps-ISO800-640x297.jpg 640w, https:\/\/staging.cined.dev\/content\/uploads\/2020\/04\/Waveform-Canon-C300-MK3-XF-AVC-CLOG2-4096x2160-75fps-ISO800-768x357.jpg 768w, https:\/\/staging.cined.dev\/content\/uploads\/2020\/04\/Waveform-Canon-C300-MK3-XF-AVC-CLOG2-4096x2160-75fps-ISO800-1536x713.jpg 1536w, https:\/\/staging.cined.dev\/content\/uploads\/2020\/04\/Waveform-Canon-C300-MK3-XF-AVC-CLOG2-4096x2160-75fps-ISO800-495x230.jpg 495w\" sizes=\"auto, (max-width: 1703px) 100vw, 1703px\" \/><\/a><p id=\"caption-attachment-136821\" class=\"wp-caption-text\">Fig. 3: Gr\u00e1fico de forma de onda del diagrama de pasos Xyla 21 para la Canon C300 Mark III a 75 fps, ISO 800, CLOG2\/C.Gamut, DCI 4K. La estructura de doble ganancia ya no est\u00e1 activa: se pueden identificar aproximadamente 12 paradas por encima del nivel de ruido.<\/p><\/div>\n<p>IMATEST confirma esto y calcula 11.6 paradas (con una relaci\u00f3n se\u00f1al\/ruido de 2, valor medio en el gr\u00e1fico a continuaci\u00f3n) &#8211; \u00a1aun as\u00ed es un muy buen resultado!<\/p>\n<div id=\"attachment_136806\"  class=\"wp-caption aligncenter\"><a href=\"https:\/\/www.cined.com\/content\/uploads\/2020\/04\/DR-Result-Canon-C300MK3-CLOG2-ISO800-4096x2160-XF-AVC-75fps-A001C041_2004170Z_CANON_0063_Step_2.jpg\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-136806\" class=\"wp-image-136806 size-full\" src=\"https:\/\/www.cined.com\/content\/uploads\/2020\/04\/DR-Result-Canon-C300MK3-CLOG2-ISO800-4096x2160-XF-AVC-75fps-A001C041_2004170Z_CANON_0063_Step_2.jpg\" alt=\"\" width=\"643\" height=\"689\" srcset=\"https:\/\/staging.cined.dev\/content\/uploads\/2020\/04\/DR-Result-Canon-C300MK3-CLOG2-ISO800-4096x2160-XF-AVC-75fps-A001C041_2004170Z_CANON_0063_Step_2.jpg 643w, https:\/\/staging.cined.dev\/content\/uploads\/2020\/04\/DR-Result-Canon-C300MK3-CLOG2-ISO800-4096x2160-XF-AVC-75fps-A001C041_2004170Z_CANON_0063_Step_2-300x321.jpg 300w, https:\/\/staging.cined.dev\/content\/uploads\/2020\/04\/DR-Result-Canon-C300MK3-CLOG2-ISO800-4096x2160-XF-AVC-75fps-A001C041_2004170Z_CANON_0063_Step_2-640x686.jpg 640w, https:\/\/staging.cined.dev\/content\/uploads\/2020\/04\/DR-Result-Canon-C300MK3-CLOG2-ISO800-4096x2160-XF-AVC-75fps-A001C041_2004170Z_CANON_0063_Step_2-215x230.jpg 215w\" sizes=\"auto, (max-width: 643px) 100vw, 643px\" \/><\/a><p id=\"caption-attachment-136806\" class=\"wp-caption-text\">Fig. 4: Gr\u00e1fico de forma de onda del diagrama de pasos Xyla 21 para la Canon C300 Mark III a 75 fps, ISO 800, CLOG2\/C.Gamut, DCI 4K. La estructura de doble ganancia ya no est\u00e1 activa: se calculan 11.6 paradas.<\/p><\/div>\n<h2>Rolling Shutter de la Canon C300 Mark III<\/h2>\n<p>Como se mencion\u00f3 anteriormente, utilizamos una luz estrobosc\u00f3pica a 300 Hz para calcular el rolling shutter de los sensores CMOS.<\/p>\n<p>Primer resultado interesante: a 25 fps y hasta 60 fps revela un rolling shutter de 15.6 [ms] que se observa en la figura 5 a continuaci\u00f3n:<\/p>\n<p><div id=\"attachment_136897\"  class=\"wp-caption aligncenter\"><a href=\"https:\/\/www.cined.com\/content\/uploads\/2020\/04\/RS-C300-MKIII-25fps-4KDCI-15_6ms.jpg\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-136897\" class=\"wp-image-136897 size-full\" src=\"https:\/\/www.cined.com\/content\/uploads\/2020\/04\/RS-C300-MKIII-25fps-4KDCI-15_6ms.jpg\" alt=\"\" width=\"1920\" height=\"1080\" srcset=\"https:\/\/staging.cined.dev\/content\/uploads\/2020\/04\/RS-C300-MKIII-25fps-4KDCI-15_6ms.jpg 1920w, https:\/\/staging.cined.dev\/content\/uploads\/2020\/04\/RS-C300-MKIII-25fps-4KDCI-15_6ms-300x169.jpg 300w, https:\/\/staging.cined.dev\/content\/uploads\/2020\/04\/RS-C300-MKIII-25fps-4KDCI-15_6ms-640x360.jpg 640w, https:\/\/staging.cined.dev\/content\/uploads\/2020\/04\/RS-C300-MKIII-25fps-4KDCI-15_6ms-768x432.jpg 768w, https:\/\/staging.cined.dev\/content\/uploads\/2020\/04\/RS-C300-MKIII-25fps-4KDCI-15_6ms-1536x864.jpg 1536w, https:\/\/staging.cined.dev\/content\/uploads\/2020\/04\/RS-C300-MKIII-25fps-4KDCI-15_6ms-340x190.jpg 340w, https:\/\/staging.cined.dev\/content\/uploads\/2020\/04\/RS-C300-MKIII-25fps-4KDCI-15_6ms-409x230.jpg 409w, https:\/\/staging.cined.dev\/content\/uploads\/2020\/04\/RS-C300-MKIII-25fps-4KDCI-15_6ms-1600x900.jpg 1600w\" sizes=\"auto, (max-width: 1920px) 100vw, 1920px\" \/><\/a><p id=\"caption-attachment-136897\" class=\"wp-caption-text\">Fig.5: a 25 y hasta 60 fotogramas por segundo, tiene un Rolling shutter de 15.6 [ms] en modo DCI 4K.<\/p><\/div>Este es un buen valor, pero no es excepcional para un rolling shutter: otras c\u00e1maras Super35 como la FUJIFILM X-T3 est\u00e1n en el mismo nivel, la BMPCC6K mencionada anteriormente tiene 19.8 [ms].<\/p>\n<p>Ahora, esta c\u00e1mara tambi\u00e9n ofrece hasta 120 fotogramas por segundo en 4096\u00d72160, \u00bfc\u00f3mo funciona esto? Un rolling shutter de 15.6 [ms] no admitir\u00eda velocidades de cuadro superiores a 60 fp<\/p>\n<p>Obviamente, al eliminar la lectura de ganancia dual a partir de 75 fps en adelante, el rolling shutter cae a 7.7 [ms], mira la figura 6:<\/p>\n<div id=\"attachment_136894\"  class=\"wp-caption aligncenter\"><a href=\"https:\/\/www.cined.com\/content\/uploads\/2020\/04\/RS-C300-Mark-III-75fps-4K-DCI-7_7ms.jpg\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-136894\" class=\"wp-image-136894 size-full\" src=\"https:\/\/www.cined.com\/content\/uploads\/2020\/04\/RS-C300-Mark-III-75fps-4K-DCI-7_7ms.jpg\" alt=\"\" width=\"1920\" height=\"1080\" srcset=\"https:\/\/staging.cined.dev\/content\/uploads\/2020\/04\/RS-C300-Mark-III-75fps-4K-DCI-7_7ms.jpg 1920w, https:\/\/staging.cined.dev\/content\/uploads\/2020\/04\/RS-C300-Mark-III-75fps-4K-DCI-7_7ms-300x169.jpg 300w, https:\/\/staging.cined.dev\/content\/uploads\/2020\/04\/RS-C300-Mark-III-75fps-4K-DCI-7_7ms-640x360.jpg 640w, https:\/\/staging.cined.dev\/content\/uploads\/2020\/04\/RS-C300-Mark-III-75fps-4K-DCI-7_7ms-768x432.jpg 768w, https:\/\/staging.cined.dev\/content\/uploads\/2020\/04\/RS-C300-Mark-III-75fps-4K-DCI-7_7ms-1536x864.jpg 1536w, https:\/\/staging.cined.dev\/content\/uploads\/2020\/04\/RS-C300-Mark-III-75fps-4K-DCI-7_7ms-340x190.jpg 340w, https:\/\/staging.cined.dev\/content\/uploads\/2020\/04\/RS-C300-Mark-III-75fps-4K-DCI-7_7ms-409x230.jpg 409w, https:\/\/staging.cined.dev\/content\/uploads\/2020\/04\/RS-C300-Mark-III-75fps-4K-DCI-7_7ms-1600x900.jpg 1600w\" sizes=\"auto, (max-width: 1920px) 100vw, 1920px\" \/><\/a><p id=\"caption-attachment-136894\" class=\"wp-caption-text\">Fig. 6: a 75 fps y hasta 120 fotogramas por segundo, arroja un rolling shutter de 7.7 [ms], en modo DCI 4K, ya que la lectura de ganancia dual ya no est\u00e1 activa a estas velocidades de cuadro.<\/p><\/div>\n<h2>Prueba de latitud (subexposici\u00f3n) de la Canon C300 Mark III en ISO800<\/h2>\n<p>Como se mencion\u00f3 anteriormente, &#8220;latitud&#8221; es la capacidad de una c\u00e1mara para retener detalles y colores cuando se sobreexpone o subexpone la imagen y es llevada hacia una exposici\u00f3n cero.<\/p>\n<p>En nuestra escena de prueba de laboratorio, el nivel de exposici\u00f3n cero representa una exposici\u00f3n base de F4 a ISO800, \u00e1ngulo de obturaci\u00f3n 360\u00b0 para DCI 4K de 25 fps. El nivel de exposici\u00f3n se verifica mediante la lectura de la forma de onda de la cara de mi colega Nino, que muestra un valor m\u00e1ximo de luma de 60%, mientras que la hoja de papel blanco llega a 65%.<\/p>\n<p>Luego, la exposici\u00f3n se fue reduciendo sucesivamente a 180\u00b0, 90\u00b0, 45\u00b0, 22.5\u00b0 y finalmente un \u00e1ngulo de obturaci\u00f3n de 11.25\u00b0: 5 paradas subexpuestas. Las tomas se llevaron al nivel de exposici\u00f3n cero en la postproducci\u00f3n usando DaVinci Resolve Studio.<\/p>\n<p>Alerta de spoiler &#8211; \u00a1Los buenos resultados de rango din\u00e1mico dan una fuerte indicaci\u00f3n de que esta prueba saldr\u00e1 muy bien con la C300 Mark III.<\/p>\n<p>Veamos primero el nivel de exposici\u00f3n cero:<\/p>\n<div id=\"attachment_136824\"  class=\"wp-caption aligncenter\"><a href=\"https:\/\/www.cined.com\/content\/uploads\/2020\/04\/C300-MK3-0-under_1.5.2.jpg\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-136824\" class=\"wp-image-136824 size-full\" src=\"https:\/\/www.cined.com\/content\/uploads\/2020\/04\/C300-MK3-0-under_1.5.2.jpg\" alt=\"\" width=\"1920\" height=\"1080\" srcset=\"https:\/\/staging.cined.dev\/content\/uploads\/2020\/04\/C300-MK3-0-under_1.5.2.jpg 1920w, https:\/\/staging.cined.dev\/content\/uploads\/2020\/04\/C300-MK3-0-under_1.5.2-300x169.jpg 300w, https:\/\/staging.cined.dev\/content\/uploads\/2020\/04\/C300-MK3-0-under_1.5.2-640x360.jpg 640w, https:\/\/staging.cined.dev\/content\/uploads\/2020\/04\/C300-MK3-0-under_1.5.2-768x432.jpg 768w, https:\/\/staging.cined.dev\/content\/uploads\/2020\/04\/C300-MK3-0-under_1.5.2-1536x864.jpg 1536w, https:\/\/staging.cined.dev\/content\/uploads\/2020\/04\/C300-MK3-0-under_1.5.2-340x190.jpg 340w, https:\/\/staging.cined.dev\/content\/uploads\/2020\/04\/C300-MK3-0-under_1.5.2-409x230.jpg 409w, https:\/\/staging.cined.dev\/content\/uploads\/2020\/04\/C300-MK3-0-under_1.5.2-1600x900.jpg 1600w\" sizes=\"auto, (max-width: 1920px) 100vw, 1920px\" \/><\/a><p id=\"caption-attachment-136824\" class=\"wp-caption-text\">Fig.7: nivel de exposici\u00f3n cero\/base (gradado) para la escena de estudio con la C300 Mark III a 25 fps, \u00e1ngulo de obturaci\u00f3n de 360\u200b\u200b\u00b0 a F4.<\/p><\/div>\n<p>Sigamos avanzando y ech\u00e9mosle un vistazo a la imagen de 3 paradas subexpuestas en la figura 8 que est\u00e1 a continuaci\u00f3n:<\/p>\n<div id=\"attachment_136879\"  class=\"wp-caption aligncenter\"><a href=\"https:\/\/www.cined.com\/content\/uploads\/2020\/04\/C300-MKIII-3-under_1.4.1.jpg\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-136879\" class=\"wp-image-136879 size-full\" src=\"https:\/\/www.cined.com\/content\/uploads\/2020\/04\/C300-MKIII-3-under_1.4.1.jpg\" alt=\"\" width=\"1920\" height=\"1080\" srcset=\"https:\/\/staging.cined.dev\/content\/uploads\/2020\/04\/C300-MKIII-3-under_1.4.1.jpg 1920w, https:\/\/staging.cined.dev\/content\/uploads\/2020\/04\/C300-MKIII-3-under_1.4.1-300x169.jpg 300w, https:\/\/staging.cined.dev\/content\/uploads\/2020\/04\/C300-MKIII-3-under_1.4.1-640x360.jpg 640w, https:\/\/staging.cined.dev\/content\/uploads\/2020\/04\/C300-MKIII-3-under_1.4.1-768x432.jpg 768w, https:\/\/staging.cined.dev\/content\/uploads\/2020\/04\/C300-MKIII-3-under_1.4.1-1536x864.jpg 1536w, https:\/\/staging.cined.dev\/content\/uploads\/2020\/04\/C300-MKIII-3-under_1.4.1-340x190.jpg 340w, https:\/\/staging.cined.dev\/content\/uploads\/2020\/04\/C300-MKIII-3-under_1.4.1-409x230.jpg 409w, https:\/\/staging.cined.dev\/content\/uploads\/2020\/04\/C300-MKIII-3-under_1.4.1-1600x900.jpg 1600w\" sizes=\"auto, (max-width: 1920px) 100vw, 1920px\" \/><\/a><p id=\"caption-attachment-136879\" class=\"wp-caption-text\">Fig. 8: 3 paradas subexpuestas y devueltas a cero: la C300 Mark III a 25 fps, \u00e1ngulo de obturaci\u00f3n de 45\u00b0a F4.<\/p><\/div>\n<p>No hay mucho que ver en la figura 8, \u00bfverdad? La C300 Mark III se comporta muy bien en este nivel de exposici\u00f3n. La imagen se vuelve un poco gris\u00e1cea y comienzan a aparecer algunas manchas rojizas de ruido (mira el \u00e1rea de sombra debajo de la mejilla de Nino). Esas manchas pueden eliminarse f\u00e1cilmente con apenas un poco de reducci\u00f3n de ruido temporal en la postproducci\u00f3n.<\/p>\n<div id=\"attachment_136876\"  class=\"wp-caption aligncenter\"><a href=\"https:\/\/www.cined.com\/content\/uploads\/2020\/04\/C300-MKIII-4-under_1.5.1.jpg\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-136876\" class=\"wp-image-136876 size-full\" src=\"https:\/\/www.cined.com\/content\/uploads\/2020\/04\/C300-MKIII-4-under_1.5.1.jpg\" alt=\"\" width=\"1920\" height=\"1080\" srcset=\"https:\/\/staging.cined.dev\/content\/uploads\/2020\/04\/C300-MKIII-4-under_1.5.1.jpg 1920w, https:\/\/staging.cined.dev\/content\/uploads\/2020\/04\/C300-MKIII-4-under_1.5.1-300x169.jpg 300w, https:\/\/staging.cined.dev\/content\/uploads\/2020\/04\/C300-MKIII-4-under_1.5.1-640x360.jpg 640w, https:\/\/staging.cined.dev\/content\/uploads\/2020\/04\/C300-MKIII-4-under_1.5.1-768x432.jpg 768w, https:\/\/staging.cined.dev\/content\/uploads\/2020\/04\/C300-MKIII-4-under_1.5.1-1536x864.jpg 1536w, https:\/\/staging.cined.dev\/content\/uploads\/2020\/04\/C300-MKIII-4-under_1.5.1-340x190.jpg 340w, https:\/\/staging.cined.dev\/content\/uploads\/2020\/04\/C300-MKIII-4-under_1.5.1-409x230.jpg 409w, https:\/\/staging.cined.dev\/content\/uploads\/2020\/04\/C300-MKIII-4-under_1.5.1-1600x900.jpg 1600w\" sizes=\"auto, (max-width: 1920px) 100vw, 1920px\" \/><\/a><p id=\"caption-attachment-136876\" class=\"wp-caption-text\">Fig. 9: 4 paradas subexpuestas y devueltas a cero: la C300 Mark III a ISO800, 25 fps, \u00e1ngulo de obturaci\u00f3n de 22.5\u00b0 a F4.<\/p><\/div>\n<p>Se observa algo similiar para 4 paradas de subexposici\u00f3n vueltas hacia atr\u00e1s &#8211; figura 9: el ruido en las sombras aumenta, pero puede eliminarse de manera bastante efectiva con un poco de reducci\u00f3n temporal del ruido. El ruido permanece finamente disperso, como grano de pel\u00edcula, el cual luce muy bien (y se elimina f\u00e1cilmente mediante reducci\u00f3n de ruido).<\/p>\n<div id=\"attachment_136885\"  class=\"wp-caption aligncenter\"><a href=\"https:\/\/www.cined.com\/content\/uploads\/2020\/04\/C300-MKIII-5-under_1.6.1.jpg\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-136885\" class=\"wp-image-136885 size-full\" src=\"https:\/\/www.cined.com\/content\/uploads\/2020\/04\/C300-MKIII-5-under_1.6.1.jpg\" alt=\"\" width=\"1920\" height=\"1080\" srcset=\"https:\/\/staging.cined.dev\/content\/uploads\/2020\/04\/C300-MKIII-5-under_1.6.1.jpg 1920w, https:\/\/staging.cined.dev\/content\/uploads\/2020\/04\/C300-MKIII-5-under_1.6.1-300x169.jpg 300w, https:\/\/staging.cined.dev\/content\/uploads\/2020\/04\/C300-MKIII-5-under_1.6.1-640x360.jpg 640w, https:\/\/staging.cined.dev\/content\/uploads\/2020\/04\/C300-MKIII-5-under_1.6.1-768x432.jpg 768w, https:\/\/staging.cined.dev\/content\/uploads\/2020\/04\/C300-MKIII-5-under_1.6.1-1536x864.jpg 1536w, https:\/\/staging.cined.dev\/content\/uploads\/2020\/04\/C300-MKIII-5-under_1.6.1-340x190.jpg 340w, https:\/\/staging.cined.dev\/content\/uploads\/2020\/04\/C300-MKIII-5-under_1.6.1-409x230.jpg 409w, https:\/\/staging.cined.dev\/content\/uploads\/2020\/04\/C300-MKIII-5-under_1.6.1-1600x900.jpg 1600w\" sizes=\"auto, (max-width: 1920px) 100vw, 1920px\" \/><\/a><p id=\"caption-attachment-136885\" class=\"wp-caption-text\">Fig. 10: 5 paradas subexpuestas y devueltas a cero: la C300 Mark III a 25 fps, \u00e1ngulo de obturaci\u00f3n de 11.25\u00b0 a F4.<\/p><\/div>\n<p>Finalmente, a las 5 paradas de subexposici\u00f3n, el ruido se vuelve un poco desagradable. Pero una vez m\u00e1s, puedes eliminarlo de manera bastante efectiva en la postproducci\u00f3n agregando reducci\u00f3n de ruido temporal (no es necesaria la reducci\u00f3n de ruido espacial), pero las \u00e1reas de sombra tienen sin embargo esas fuertes manchas de ruido rojizo, que se convierten en \u00e1reas posterizadas de rojo despu\u00e9s de realizar la reducci\u00f3n de ruido.<\/p>\n<p>Dir\u00eda que a\u00fan podr\u00eda salirse con la suya con esta imagen, ya que no muestra esas l\u00edneas horizontales\/verticales fijas como las dem\u00e1s c\u00e1maras probadas hasta el momento, las cuales distraen mucho en una imagen en movimiento y no se pueden eliminar f\u00e1cilmente en la postproducci\u00f3n.<\/p>\n<p>Aqu\u00ed hay un ejemplo del uso de reducci\u00f3n de ruido temporal de 3 cuadros en DaVinci Resolve, valor de umbrales: 15 (sin NR espacial), mira la figura 11 a continuaci\u00f3n:<\/p>\n<div id=\"attachment_136882\"  class=\"wp-caption aligncenter\"><a href=\"https:\/\/www.cined.com\/content\/uploads\/2020\/04\/C300-MKIII-5-under-pushed-back_1.9.1.jpg\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-136882\" class=\"wp-image-136882 size-full\" src=\"https:\/\/www.cined.com\/content\/uploads\/2020\/04\/C300-MKIII-5-under-pushed-back_1.9.1.jpg\" alt=\"\" width=\"1920\" height=\"1080\" srcset=\"https:\/\/staging.cined.dev\/content\/uploads\/2020\/04\/C300-MKIII-5-under-pushed-back_1.9.1.jpg 1920w, https:\/\/staging.cined.dev\/content\/uploads\/2020\/04\/C300-MKIII-5-under-pushed-back_1.9.1-300x169.jpg 300w, https:\/\/staging.cined.dev\/content\/uploads\/2020\/04\/C300-MKIII-5-under-pushed-back_1.9.1-640x360.jpg 640w, https:\/\/staging.cined.dev\/content\/uploads\/2020\/04\/C300-MKIII-5-under-pushed-back_1.9.1-768x432.jpg 768w, https:\/\/staging.cined.dev\/content\/uploads\/2020\/04\/C300-MKIII-5-under-pushed-back_1.9.1-1536x864.jpg 1536w, https:\/\/staging.cined.dev\/content\/uploads\/2020\/04\/C300-MKIII-5-under-pushed-back_1.9.1-340x190.jpg 340w, https:\/\/staging.cined.dev\/content\/uploads\/2020\/04\/C300-MKIII-5-under-pushed-back_1.9.1-409x230.jpg 409w, https:\/\/staging.cined.dev\/content\/uploads\/2020\/04\/C300-MKIII-5-under-pushed-back_1.9.1-1600x900.jpg 1600w\" sizes=\"auto, (max-width: 1920px) 100vw, 1920px\" \/><\/a><p id=\"caption-attachment-136882\" class=\"wp-caption-text\">Fig. 11: 5 paradas subexpuestas y devueltas a cero: la C300 Mark III a ISO800, 25 fps, \u00e1ngulo de obturaci\u00f3n 11.25\u00b0 a F4 con reducci\u00f3n de ruido en DaVinci Resolve (3 cuadros temporales, valor de umbrales: 15, sin NR espacial)<\/p><\/div>\n<h2>Resumen<\/h2>\n<p>Este a\u00f1o, Canon nos sorprende a todos con sus nuevas c\u00e1maras innovadoras: la c\u00e1mara C500 Mark II full-frame de finales del a\u00f1o pasado ya estableci\u00f3 el punto de referencia en nuestro laboratorio para un sensor full-frame, y el sensor Super 35 de la C300 Mark III est\u00e1 casi en el mismo nivel, un excelente resultado de laboratorio, dejando atr\u00e1s todas las c\u00e1maras que tienen esta clase de sensores, con excepci\u00f3n de la ARRI Alexa, l\u00f3gicamente.<\/p>\n<p>Por lo tanto, obtiene el tercer lugar detr\u00e1s de la C500 Mark II y la ARRI Alexa. \u00a1Bien hecho, Canon!<\/p>\n<p><strong>\u00bfQu\u00e9 opinas sobre la nueva Canon C300 Mark III? \u00bfCrees que ganar\u00e1 un lugar firme en el mundo de la producci\u00f3n una vez se reanuden las actividades? Haznos saber lo que piensas en los comentarios a continuaci\u00f3n.<\/strong><\/p>\n<137291-main-buylinks\/>"},"excerpt":{"rendered":"<p>Poco despu\u00e9s de publicar nuestra prueba de laboratorio de la Canon C500 Mark II la semana pasada, nos enteramos que nos dar\u00edan anticip\u00e1damente una Canon C300 Mark III de preproducci\u00f3n en nuestra sede en Viena. Obviamente, tuvimos que echarle un vistazo de &#8220;prueba de laboratorio&#8221; al Super 35, la \u00faltima incorporaci\u00f3n de Canon a su l\u00ednea de c\u00e1maras de cine. Despu\u00e9s de 5 semanas trabajando desde casa, dejando mi tiempo libre principalmente para una r\u00e1pida caminata con mi perro y la compra de comida, ten\u00eda que aprovechar esta oportunidad. As\u00ed que tom\u00e9 mi barbijo, salud\u00e9 a Nino manteniendo la distancia sugerida y despu\u00e9s de tomar un caf\u00e9 juntos r\u00e1pidamente (y [&hellip;]<\/p>\n","protected":false},"author":8845,"featured_media":152563,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":"","_links_to":"","_links_to_target":""},"categories":[{"id":42287,"name":"Pruebas de Laboratorio","link":"https:\/\/staging.cined.dev\/es\/pruebas-de-laboratorio\/","slug":"pruebas-de-laboratorio"},{"id":42290,"name":"Noticias","link":"https:\/\/staging.cined.dev\/es\/noticias\/","slug":"noticias"},{"id":42293,"name":"C\u00e1maras","link":"https:\/\/staging.cined.dev\/es\/noticias\/camaras\/","slug":"camaras"},{"id":42314,"name":"Rese\u00f1as","link":"https:\/\/staging.cined.dev\/es\/resenas\/","slug":"resenas"}],"tags":[27552,33638,34229,35839,37196,39707,39708,39891,39892,39893,27551],"tag_label":[53001],"brand":[51412],"class_list":["post-137291","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-noticias","category-camaras","category-resenas","category-pruebas-de-laboratorio","tag-lab-test-es","tag-rolling-shutter-es","tag-prueba-de-laboratorio","tag-c300-es","tag-latitud","tag-latitude-es","tag-test-lab-es","tag-c300-mark-iii-es","tag-c300-mk3-es","tag-c300-mkiii-es","tag-dynamic-range-es","tag_label-lab-test-es","brand-canon-es"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v20.10 (Yoast SEO v25.3) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Prueba de laboratorio de la Canon C300 Mark III (preproducci\u00f3n): rango din\u00e1mico, rolling shutter y latitud | CineD<\/title>\n<meta name=\"description\" content=\"The brand new Canon C300 Mark III put through the paces in our cinema5D lab test. 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