|
Image Width (mm)
|
Image Length (mm)
|
Image Diagonal (mm)
|
Image Aspect Ratio
|
Focal Length vs. 35mm
|
Image Area vs. 35mm
|
Number of Exposures per Film
|
|
| 24x36 |
24.0
|
36.0
|
43.27
|
1.50
|
1.00
|
100%
|
24/36
|
| 4.5x6 |
42.0
|
56.0
|
70.00
|
1.33
|
0.62
|
272%
|
16/32
|
| 44x66 (Alpa) |
44.0
|
66.00
|
79.32
|
1.50
|
0.55
|
336%
|
10/20
|
| 6x6 |
56.0
|
56.0
|
79.20
|
1.00
|
0.55
|
363%
|
12/24
|
| 6x7 |
56.0
|
67.0
|
87.32
|
1.20
|
0.50
|
434% |
10/20
|
| 6x8 |
56.0
|
75.0
|
93.60
|
1.34
|
0.46
|
486%
|
9/18
|
| 6x9 |
56.0
|
84.0
|
100.96
|
1.50
|
0.43
|
544%
|
8/16
|
Notes: actual dimensions of the picture may vary slightly depending on the camera model; on the Fuji G690, image size is 56x85mm. Number of exposures is also variable: some 4.5x6 cameras only provide 15 exposures per roll of 120 film, some 6x7 reach 21 exposures on 220 film.
|
24x36 (in mm)
|
4.5x6 (in mm)
|
6x6 (in mm)
|
6x7 (in mm)
|
6x8 (in mm)
|
6x9 (in mm)
|
|
14
|
23
|
26
|
28
|
30
|
33
|
|
16
|
26
|
29
|
32
|
35
|
37
|
|
18
|
29
|
33
|
36
|
39
|
42
|
|
20
|
32
|
37
|
40
|
43
|
47
|
|
21
|
34
|
38
|
42
|
45
|
49
|
|
24
|
39
|
44
|
48
|
52
|
56
|
|
28
|
45
|
51
|
57
|
61
|
65
|
|
35
|
57
|
64
|
71
|
76
|
82
|
|
50
|
81
|
92
|
101
|
108
|
117
|
|
75
|
121
|
137
|
151
|
162
|
175
|
|
100
|
162
|
183
|
202
|
216
|
233
|
|
135
|
218
|
247
|
272
|
292
|
315
|
|
200
|
324
|
366
|
404
|
433
|
467
|
|
300
|
485
|
549
|
605
|
649
|
700
|
|
400
|
647
|
732
|
807
|
865
|
933
|
|
6x9 Focal Length (mm)
|
35mm Equivalent (mm)
|
Diagonal Field of View(°)
|
Vertical Field of View(°)
|
Horizontal Field of View(°) |
|
38 (Biogon) |
20.7
|
92
|
60
|
82
|
|
50
|
21.4
|
91
|
58
|
80
|
|
65
|
27.9
|
76
|
47
|
66
|
|
90
|
38.6
|
59
|
35
|
50
|
|
100
|
42.9
|
54
|
31
|
46
|
|
150
|
64.3
|
37
|
21
|
31
|
|
180
|
77.1
|
31
|
18
|
26
|
|
250
|
107.1
|
23
|
13
|
19
|