Depth of Field Calculator

Estimate depth of field in photography

Note: DOF ≈ 2 × N × c × (f/m)². c=circle of confusion, N=f-stop, f=focal length, m=magnification.

Settings

Focal Length (mm)

Aperture (f-stop)

Subject Distance (m)

Circle of Confusion (mm)

⚠️ For educational purposes only. Verify results with a qualified professional when making important decisions.

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