The term ‘crop factor’ arose from a need to help 35mm film SLR photographers understand how their existing lenses would perform on cameras with smaller image sensors than traditional 35mm film. It’s ...

The ratio of the focal length of a digital camera lens to a 35mm still camera lens. The crop factor is used by experienced photographers, who want to know the field of view of a lens on a digital ...

I grew up with film SLRs (full-frame, of course), and the rule of thumb was "the slowest shutter speed you should try to hand-hold is 1/your lens focal length in mm." e.g. 1/50 sec for a 50 mm lens.

We may receive a commission on purchases made from links. When buying a camera for the first time and researching your options, you might've heard of cropped-sensor and full-frame cameras. This ...