Calculate Lens Depth Of Field

This Depth of Field (DoF) calculator will help one get the creative control on the design of photos. Decide the zone of sharpness to make the best photographs.

Select the camera/format to set the circle of confusion and enter the focal length of the lens in millimeters, the focus distance (from sensor plane) in meters/yards/feet/inches/cm/mm, the f-stop, and the extension tube length in millimeters (if applicable).

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Circle of confusion
Focal length of lens (mm)
Focus distance
Focus distance units
Aperture / f-stop
Extension tube length (mm)
high precision
Note: some lenses change focal length as they are focused. This is known as focus breathing and will affect the depth of field values.

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