Dof Calculator For Android Phone

Understanding depth of field (DOF) is crucial for Android photographers to control the focus and blur effects in their images. Our DOF Calculator helps you determine the range of distance within which objects appear sharp in your photos.

1. Enter the focal length of your lens in millimeters.
2. Enter the aperture value (f-stop) you plan to use.
3. Enter the distance from the camera to the subject you want to focus on.
4. Click the ‘Calculate’ button to see the depth of field range.

The DOF is calculated using the Hyperfocal Distance formula: DOF = 2 * (H * (N – 1)) / (N^2 – 1), where H is the hyperfocal distance and N is the aperture ratio (f-stop).

Comparison of DOF at different apertures

Focal Length	Aperture (f-stop)	DOF (near)	DOF (far)

Effect of focal length on DOF

Aperture (f-stop)	Focal Length (mm)	DOF (near)	DOF (far)

• Using a larger aperture (smaller f-stop number) reduces the depth of field, isolating the subject and creating a blurred background.
• Smaller apertures (larger f-stop numbers) increase the depth of field, keeping both foreground and background objects sharp.

What is the difference between hyperfocal distance and depth of field?

Hyperfocal distance is the closest distance at which a lens can be focused while keeping objects at infinity acceptably sharp. Depth of field is the range of distance within which objects appear sharp.

For more information, see the Science Photo Library and the Photography Education.