photowiki:photoformat

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photowiki:photoformat [2023/01/07 15:13] (current) – created ying
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 +====== Impact of Photo Format ======
 +
 +  * The size of photo sensor/film format has biggest impact on lens size and weight
 +
 +**Example Comparison Chart**
 +^ Name                    | format | equivalent FL | length | diameter, filter | weight | min focal distance |
 +^ Panasonic 35-100mm f2.8 | m43,2x | 70-200mm      | 100mm  | 67mm, 58mm       | 360g   | 0.85m              |
 +^ DA 50-135mm f2.8        | 1.5x   | 75-200mm      | 135mm  | 77mm, 67mm       | 765g   | 1m                 |
 +^ A 70-210mm f4           | 1x     | 70-210mm      | 149mm  | 72mm, 58mm       | 680g   | 1.2m              |
 +^ tamron 70-200mm f2.8    | 1x     | 70-200mm      | 194mm  | 90mm, 77mm       | 1150g  | 0.95m             |
 +^ Panasonic 100-400mm     | m43,2x | 200-800mm     | 172mm  | 83mm, 72mm       | 985g   | 1.3m              |
 +^ tamron 150-600mm        | 1x,1.5x | 225-900mm    | 258mm  | 106mm, 95mm      | 1951g  | 2.7m              |
 +^ sigma 150-500mm         | 1x,1.5x | 225-750mm    | 252mm  | 95mm, 86mm       | 1780g  | 2.2m              |
 +^ DFA 150-450mm           | 1x,1.5x | 225-675mm    | 241mm  | 95mm, 86mm       | 2000g  | 2m                 |
 +
 +====== Video Format ======
 +
 +  * https://en.wikipedia.org/wiki/List_of_common_resolutions
 +
 +===== video file format =====
 +
 +  * CinemaDNG, digital negatives of individual frame of recorded video
 +    * intro: http://www.adventfilmmakers.org/5-things-you-need-to-know-about-cinemadng/
 +  * ProRes, a FinalCut editor friendly format made by Apple
 +    * ProRes4444, for 12bit 5k, 4k and 2k lower video wrapper
 +    * ProRes422, for 10-bit 4k, 2k, HD source video wrapper
 +      * HQ, 147-220Mb/s
 +      * LT, 100Mb/s
 +      * SD, 42-63 Mb/s
 +      * Proxy, 36Mb/s
 +    * ProRes422, for 8/10-bit FHD or HD source video wrapper
 +    * ProResSQ, for compressed codec wrapper
 +  * DNxHD, a Avid editor friendly format made by Avid
 +