照相机成像比率

照相机的成像尺寸与比例

小袋鼠
成像尺寸                         宽长比例             底片格式                       相机型号
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6 x 6cm                                    1                      120
40 x 40mm                              1                       127
26 x 26mm                              1                       126
24 x 24mm                              1                       135
6 x 7cm                                 6/7                      120                               Mamiya6x7,Bronica6x7
4 x 5inch                              4/5                       大幅                             Linhof,Horseman
8 x 10inch                            4/5                       大幅                             Horseman, Toyo
13 X 17mm                     ≈ 3/4                       110
4.5 x 6cm                             3/4                       120
5 x 7inch                         ≈√2                      大幅
17 x 24mm                          √2                      135半格
24 x 36mm                           2/3                      135
16.7 x 25.2mm                     2/3                      APS
6 x 9cm                                 2/3                      120
9 : 16                                ≈√3                      135遮幅
16.7 x 30mm                   ≈√4                      APS
6 x 12cm                              √4                      120
24 x 54mm                      ≈√5                      135                                Horizon,Bronica6x6,645
24 x 58mm                      ≈√6                      135                                Horizon
24 x 59mm                          √6                      135                                Widelux
24 x 65mm                      ≈√7                      135                                Xpan,Mamiya6x7
24 x 66mm                       ≈√7                     135                                Noblex
24 x 69mm                       ≈√8                     135                                Bronica6x7
6 x 17cm                               √8                     120                                Linhof,Fuji
14 x 36mm                       ≈√8                     135                                Pentax Espio 115
13 x 36mm                       ≈√8                     135                                Minolta Riva Panorama
16.7 x 49.5mm                     √9                     APS
6 x 24cm                             √16                     120                                Tomiyama
24 x 110mm                        √22                    135                                 Krasnogorsk
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