Classic camerasLens Equivalence Calculator

If you use a range of cameras with different negative or sensor sizes this calculator will give you the 35mm equivalencies in the blue fields for field-of-view and depth-of-field of a lens/format you enter in the green fields:

Sensor dimensions (mm): Crop factors: /
Focal length (mm): 35mm focal length (mm):
Aperture: 35mm aperture (DoF):