Expoaperture, Depth-of-field guide, Film format circle of confusion reference chart – ExpoImaging ExpoAperture2 Depth-of-Field Guide User Manual
Page 2
ExpoAperture
2
Depth-of-Field Guide
Film Format
Circle of Confusion Reference Chart
Film Formats:
Film Formats:
Film Formats:
Film Formats:
Format
Type of Film
Aspect
Ratio
Suggested CoC
in Microns
35mm half frame 135
0.75:1
17
APS-C
Advanced Photo System (APS) 1.5:1 use APS-C setting
35mm full frame 135
1.5:1
30
6 x 4.5 cm
120, 220, or 620
1.3:1
52
6 x 6 cm
120, 220, or 620
1.0:1
56
6 x 7 cm
120, 220, or 620
0.86:1
70
6 x 9 cm
120, 220, or 620
0.67:1
84
4 x 5 in
4 x 5 sheet film
0.8:1
120
6 x 17 cm
120, 220, or 620
0.35:1
168
6 x 24 cm
120, 220, or 620
0.25:1
224
8 x 10 in
8 x 10 sheet film
0.8:1
240
Please refer to the ExpoAperture
2
Manual for additional notes on this table.
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