33mm APS-C vs 50mm Full frame
33mm APS-C and 50mm Full frame frame practically the same.
A 33mm APS-C
B 50mm Full frame
The numbers
| A 33mm on APS-C | B 50mm on Full frame | |
|---|---|---|
| Focal length | 33mm | 50mm |
| Full-frame equivalent | 49.5mm | 50mm |
| Horizontal | 39.2° | 39.6° |
| Vertical | 26.6° | 27° |
| Diagonal | 46.3° | 46.8° |
| 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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