Photographer tools
Fast, private, browser-based calculators.
Depth of Field Near/far focus limits, total DoF, and hyperfocal distance. Crop Factor Equivalent focal length, field of view, and aperture across sensors. ND Filter Long-exposure shutter times and required ND strength. Exposure Calculator Aperture, shutter, ISO equivalence with priority modes and ND. Middle Focal Length Find the unmarked middle focal length between two marked stops.