Focal Length Crop Factor Simulator

Upload Photo:

Original Lens Focal Length (mm):

Camera Crop Factor (e.g., 1.0 for FF, 1.5 APS-C):

Desired Target Effective Focal Length (mm, Full-Frame Equivalent):

The photo's effective focal length (Original Lens FL × Crop Factor) is 50.0mm (Full-Frame Equivalent). Upload an image to see crop preview.