Horizontal angle of view (degrees) to focal length mm at APS-C Canon 22.3mm
1 Horizontal angle of view = 1,277.663449 Focal length · profile-dependent conversion · context: sensor profile
Direct Answer
1 Horizontal angle of view equals 1,277.663449 Focal length
This result depends on the selected profile context: sensor profile.
For 2 Horizontal angle of view, this profile returns 638.783072 Focal length.
Converter Calculator
1 Horizontal angle of view (degrees) =
1,277.663449 Focal length (mm)
Explanation
APS-C Canon 22.3mm uses crop factor 1.6 and sensor width 22.3 mm. focal_mm = 22.3 / (2 x tan(HFOV/2)). For input 1 deg, output is 1277.66344894 mm.
From Horizontal angle of view to Focal length, results depend on the selected sensor profile and stay consistent with that profile across table rows and calculator input.
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Keep the same profile in both directions to avoid mixing lookup systems that use different size mappings.
Common Conversion Values
| Horizontal angle of view (degrees) | Focal length (mm) |
|---|---|
| 1 | 1,277.663449 |
| 2 | 638.783072 |
| 5 | 255.376986 |
| 10 | 127.445083 |
| 14 | 90.809463 |
| 18 | 70.398329 |
| 24 | 52.456626 |
| 35 | 35.363282 |
| 50 | 23.911252 |
| 85 | 12.16809 |
| 100 | 9.355961 |
| 135 | 4.618481 |
| 200 | -1.966046 |