56mm APS-C vs 85mm Full frame
56mm APS-C and 85mm Full frame frame practically the same.
A 56mm APS-C
B 85mm Full frame
The numbers
| A 56mm on APS-C | B 85mm on Full frame | |
|---|---|---|
| Focal length | 56mm | 85mm |
| Full-frame equivalent | 84mm | 85mm |
| Horizontal | 23.7° | 23.9° |
| Vertical | 15.9° | 16.1° |
| Diagonal | 28.3° | 28.6° |
| Sensor | APS-C 23.5 × 15.6 mm | Full frame 36 × 24 mm |
| Crop factor | ×1.5 | ×1 |
| Aspect ratio | 3:2 | 3:2 |
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