35mm equivalent focal length (mm) to Focal length (mm) for Smartphone 1/1.3" class
Snapshot
On Smartphone 1/1.3" class, a 50 mm full-frame equivalent needs about a 13.333333 mm lens. Conversion Encyclopedia keeps the same sensor profile across the calculator, common values, and reverse page for this page.
- Sensor profile: Smartphone 1/1.3" class (9.6 mm width, crop factor 3.75).
- Example: To match 14 35mm equivalent focal length (mm), you need 3.733333 Focal length (mm) on Smartphone 1/1.3" class.
- Use the reverse page if you need the opposite direction with the same basis.
Use the interactive calculator below for custom values and the common-value table for quick checks.
Converter Calculator
0.266667 Focal length (mm)
SwitchExplanation
Formula: focal_mm = equivalent_mm / 3.75. Why: this page keeps Smartphone 1/1.3" class fixed, so crop factor and sensor width stay explicit for every calculation.
Smartphone 1/1.3" class: a sensor profile with crop factor 3.75 and sensor width (horizontal) 9.6 mm, used as the fixed framing basis for this page.
35mm equivalent focal length (mm): a camera-equivalence quantity in this family that depends on the selected crop model.
Focal length (mm): a camera-equivalence quantity in this family that depends on the selected crop model.
This route is useful when you know the full-frame equivalent focal length and need the actual lens focal length on Smartphone 1/1.3" class.
This page is sensor-profile dependent rather than universal because camera equivalence changes with sensor geometry (Smartphone 1/1.3" class).
Common Conversion Values
| 35mm equivalent focal length (mm) | Focal length (mm) |
|---|---|
| 14 | 3.733333 |
| 24 | 6.4 |
| 28 | 7.466667 |
| 35 | 9.333333 |
| 50 | 13.333333 |
| 70 | 18.666667 |
| 85 | 22.666667 |
| 135 | 36 |
| 200 | 53.333333 |
Frequently Asked Questions
Which sensor assumptions are fixed for full-frame equivalent mm to focal length mm?
Full-frame equivalent mm to focal length mm is fixed to Smartphone 1/1.3" class, crop factor 3.75, sensor width 9.6 mm.
How do I reverse eq mm to mm for Smartphone 1/1.3" class?
Use the opposite-direction page for Smartphone 1/1.3" class to convert focal length (mm) back to 35mm equivalent focal length (mm) with the same sensor assumptions.
Can full-frame equivalent mm to focal length mm replace full lens-design simulation?
No. Full-frame equivalent mm to focal length mm provides framing and geometry approximations, not full optical-model behavior.