Free Tools
Interactive calculators built for photography for beginners. No sign-up, no downloads — enter your numbers and get an answer you can act on.
Depth of Field Calculator
See your exact near and far sharp limits and hyperfocal distance for any focal length, aperture, and sensor size.
Handheld Shutter Speed Checker
Find the slowest shutter speed you can hand-hold for a given lens and sensor, adjusted for image stabilization.
Exposure Stops Calculator
Compare two aperture, shutter speed, or ISO settings in stops and see the net effect on image brightness.