Focal length mm to horizontal angle of view (degrees) at Smartphone 1/1.7" class
1 Focal length = 151.586468 Horizontal angle of view · profile-dependent conversion · context: sensor profile
Direct Answer
1 Focal length equals 151.586468 Horizontal angle of view
This result depends on the selected profile context: sensor profile.
For 2 Focal length, this profile returns 126.291157 Horizontal angle of view.
Converter Calculator
1 Focal length (mm) =
151.586468 Horizontal angle of view (degrees)
Explanation
Smartphone 1/1.7" class uses crop factor 4.55 and sensor width 7.9 mm. HFOV = 2 x atan(7.9 / (2 x focal_mm)) in degrees. For input 1 mm, output is 151.586467764 deg.
From Focal length to Horizontal angle of view, 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
| Focal length (mm) | Horizontal angle of view (degrees) |
|---|---|
| 1 | 151.586468 |
| 2 | 126.291157 |
| 5 | 76.617471 |
| 10 | 43.10804 |
| 14 | 31.512068 |
| 18 | 24.754107 |
| 24 | 18.692286 |
| 35 | 12.877986 |
| 50 | 9.033971 |
| 85 | 5.321309 |
| 100 | 4.524015 |
| 135 | 3.351908 |
| 200 | 2.262889 |