Depth of Field Calculator
Calculate the depth of field for your camera settings
About this calculator
The Depth of Field Calculator helps photographers determine the range of distance that appears acceptably sharp in their images. By inputting your camera's focal length, aperture, and subject distance, this tool calculates both the near and far focus limits, giving you precise control over which parts of your photo will be in focus. This is essential for portrait photography, landscape shots, and macro work where depth of field planning is crucial for achieving your creative vision.
How to use
Enter your camera's focal length in millimeters, select your aperture f-stop value, and input the distance to your main subject. The calculator will instantly display the near focus distance, far focus distance, and total depth of field range, helping you visualize exactly what will be sharp in your photograph.
Frequently asked questions
What factors affect depth of field?
Depth of field is primarily controlled by aperture size, focal length, subject distance, and camera sensor size. Smaller apertures (higher f-numbers) create greater depth of field.
How does aperture impact depth of field?
Smaller apertures (f/8, f/11, f/16) create deeper focus zones, while larger apertures (f/1.4, f/2.8) produce shallow depth of field with more background blur.
Why is subject distance important for depth of field?
The closer you are to your subject, the shallower the depth of field becomes. Moving farther away increases the range of acceptable sharpness.