How it Works
Focal Length * Crop Factor.
What is Crop Factor Calculator?
Multiplies lens focal length by sensor crop factor.
Step-by-Step Guide
- Lens – mm.
- Sensor – Crop Factor.
- Equiv – Full frame mm.
Example
Input: 50mm, 1.5 (APS-C)
Result: 75mm Equiv
FAQ
APS-C factor?
1.5x (Nikon/Sony), 1.6x (Canon).
Micro 4/3?
2.0x factor.
Conclusion
A 50mm lens on a crop sensor behaves like a 75mm portrait lens. Understand your gear to frame shots correctly.