DOF Slider: Focus Calculator

Calculate depth of field before you take the shot. Choose your camera, then adjust subject distance, aperture and focal length with three horizontal sliders. See your focus limits update as you move.

READ YOUR FOCUS RANGE
See the near and far focus limits, total depth of field, and the distance in front of and behind your subject. Check hyperfocal distance when planning a landscape or a scene with distant detail.

CHOOSE YOUR CAMERA
Browse profiles for modern digital cameras, vintage cameras and film formats. Each profile supplies the circle of confusion used in the calculation.

ADJUST WITH ONE HAND
Keep settings and results on one screen. Work in metres or feet and inches, with optional aperture snapping and haptic feedback.

START WITH THE INCLUDED PROFILES
DOF Slider includes free camera profiles and standard calculation ranges. Additional camera packs and macro, telephoto and extended distance ranges are optional one-time in-app purchases. Restore existing purchases from Settings.

No ads. No subscription. No sign-in required. Calculations work offline with the available camera catalog; catalog updates and purchases need an internet connection.

Support: https://mihaibold.dev/apps/dof-slider/
Privacy: https://mihaibold.dev/apps/dof-slider/privacy/