Screw on a 10-stop ND filter and your camera's meter is useless. This calculator does the math for you — take a normal test shot, tell PhotoPills what filter or settings you're switching to, and it works out the equivalent shutter speed.

Enter your camera, focal length, aperture, and focus distance — get back the hyperfocal distance and exactly how much of the scene, in front of and behind your focus point, will be acceptably sharp.

Sometimes you know the result you want but not the setting. Inverse mode flips the calculation: pick focal length, aperture, or subject distance to solve for, tell it your desired depth of field, and it works out the missing piece.

The Circle of Confusion (CoC) is the technical setting behind every DoF calculation — it defines how big a blur spot can be before it stops looking sharp. The Advanced calculator lets you tune it based on your print size, viewing distance, and how sharp your eyes need it to look.

Instead of calculating one combination at a time, the DoF Table lays out total depth of field for a whole grid of subject distances and apertures at once — great for comparing options before you commit to settings.

Focus at the hyperfocal distance and everything from half that distance out to infinity is sharp — the classic landscape trick. This table gives you that distance for any focal length and aperture combination, without opening a calculator each time.