What is Crop Factor Equivalence?
Lens mm * Crop Factor.
How it Works
Mult.
Step-by-Step Guide
1. Lens
Focal length.
2. Factor
1.5/1.6/2.0.
3. Equiv
Effective mm.
Example
Input: 50mm, 1.5x
Result: 75mm
FAQ
Aperture?
DoF also multiplied.
Conclusion
APS-C turns a 50mm into a portrait lens.