Horizontal angle of view (degrees) to focal length mm at Action camera 1/2.3" class
1 Horizontal angle of view = 366.68368 Focal length · profile-dependent conversion · context: sensor profile
Direct Answer
1 Horizontal angle of view equals 366.68368 Focal length
This result depends on the selected profile context: sensor profile.
For 2 Horizontal angle of view, this profile returns 183.327877 Focal length.
Converter Calculator
1 Horizontal angle of view (degrees) =
366.68368 Focal length (mm)
Explanation
Action camera 1/2.3" class uses crop factor 5.6 and sensor width 6.4 mm. focal_mm = 6.4 / (2 x tan(HFOV/2)). For input 1 deg, output is 366.683680414 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 | 366.68368 |
| 2 | 183.327877 |
| 5 | 73.29205 |
| 10 | 36.576167 |
| 14 | 26.061909 |
| 18 | 20.204005 |
| 24 | 15.054816 |
| 35 | 10.149103 |
| 50 | 6.862422 |
| 85 | 3.492187 |
| 100 | 2.685119 |
| 135 | 1.325483 |
| 200 | -0.564246 |