Handheld Shutter Speed
Find the slowest safe handheld shutter speed for a lens.
About this calculator
The reciprocal rule: shutter speed ≥ 1 ÷ (focal length × crop factor). Image stabilisation can add 2–4 stops.
The reciprocal rule: shutter speed ≥ 1 ÷ (focal length × crop factor). Image stabilisation can add 2–4 stops.