Focus Rail: Depth of Field

Know what stays sharp.
Before the shot.

Choose your sensor format, focal length, aperture, and subject distance. See the expected sharp range on a visual focus rail.

Paid app. No account or server is required for its calculations.

See the near and far limits

Read the near limit, far limit, and total depth of field together.

Check hyperfocal distance and use meters or feet.

Save camera settings and restore them for another shoot. Calculations stay on your device.

Before you begin

Enter the camera and subject settings yourself. The app calculates from those values; it does not measure a scene or control a camera.

See current pricing, purchase options, and device compatibility on the App Store.