Differences
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— | photowiki:largeformat [2023/01/07 15:17] (current) – created ying | ||
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+ | ====== Large format intro====== | ||
+ | * an intro on everything in LF : | ||
+ | * http:// | ||
+ | * a forum : http:// | ||
+ | |||
+ | relative Crop Factor = MF width / 36mm (135 film width) | ||
+ | |||
+ | Crop Factor = 1/ relative Crop Factor | ||
+ | |||
+ | (Note: 6 means 6cm in MF, 4 means 4inch in LF) | ||
+ | | |35mm | ||
+ | |ActualfilmSize|36×24 mm |56 x 42 mm|56 x 56 mm|56 x 72 mm|56 x 84 mm|56 x 112 mm|56 x 168 mm |56 x 224 mm|102×127 mm|127 x 178mm|20×25cm| | ||
+ | |size compare | ||
+ | |print size | A3 | A2 | A2 | A1 | A1,A0 | 2xA2 | 3xA2 | 4xA2 | 2A0 | 4A0 | 8A0 | | ||
+ | |||
+ | ^ ^ 4x5" | ||
+ | |ActualfilmSize| 102×127 mm|127 x 178mm|20×25cm| 28x35cm| 35x43cm| 40x50cm|50x60cm | 100x200cm| | ||
+ | |size compare | ||
+ | |print size | 2A0 | 4A0 | 8A0 | 16A0 | 24A0 | 32A0 | 48A0 | 308A0 | | ||
+ | |||
+ | | | 135mm equivalent Angle of View (at the long end width) ||||||||||| | ||
+ | | rCF|1.5x|1.5x |2x | 2.3x| 3.1x | 4.6x| 6.2x | 3.5x | 5x | 7x | 9.7x | 12x | 13.9x | 16.7x | 55.6x | | ||
+ | | FL ^645 ^ 6x6 ^ 6x7 ^ 6x9 ^ 6x12 | 6x17 | 6x24 | 4x5" | 5x7" | 8x10" | 11x14" | 14x17" | 16x20" | 20x24" | 40x80" | | ||
+ | ^28mm|17mm| | ||
+ | ^35mm|21mm| | ||
+ | |40mm| | ||
+ | |43mm| | ||
+ | ^45mm|28mm| | ||
+ | |50mm| | ||
+ | ^55mm|35mm| | ||
+ | |65mm| | ||
+ | ^75mm|50mm| 50mm| | ||
+ | |80mm| | ||
+ | |90mm| | ||
+ | |110mm| | ||
+ | ^120mm|75mm| | ||
+ | ^150mm|95mm|95mm|75mm | | ||
+ | ^200mm|135mm| | ||
+ | ^300mm|200mm| | ||
+ | ^600mm|400mm| | ||
+ | ^800mm|500mm| | ||
+ | ^1000mm|675mm| | ||
+ | |||
+ | * 20x24 studio: | ||
+ | * http:// | ||
+ | * 70x70cm video: | ||
+ | * use flash as shutter: http:// | ||
+ | * Truck size, 400cm x 200cm camera: | ||
+ | * http:// | ||
+ | * http:// | ||
+ | |||
+ | ^Ti1| | | | | | | | | | | 8000| 4000| 2000| 1000| 500| 256^125| 60| 30| 15| 8| 4 |2 |1" |1.5" | ||
+ | ^ F| | | | | | | |0.7 | 1| 1.4| 2| 2.8| 4| 5.6| 8| 11^16| 22| 32| 45| 64| 90 |128 |181 ^206-256-288|362|512 |724 |1024 |1448|2048 | | | ||
+ | ^ count| | | | | | | |1 | 2| 3| 4| 5| 6| 7| 8| 9^10| 11| 12| 13| 14|15 |16 |17 |18 |19 |20 |21 |22 | 23|24|25|26|27|28|29|30| | ||
+ | ====== 4x5 film price ====== | ||
+ | * Shanghai 4x5 25p iso 100: 15 sgd | ||
+ | |||
+ | ====== Fast lens and DOF of Large Format ====== | ||
+ | |||
+ | * [[http:// | ||
+ | * [[http:// | ||
+ | * [[http:// | ||
+ | * [[http:// | ||
+ | * equivalent 48mm FOV on 135 film camera | ||
+ | * (almost 1/3 crop factor, 135 full frame DSLR is like M43 camera to 4x5 large format) | ||
+ | * equivalent f0.7 DOF on 135 film camera | ||
+ | |||
+ | ====== Manufacturers ====== | ||
+ | * Chamonix View camera http:// |