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LensCalc
How much of the scene will be in focus?
Depth of field depends on focal length (longer = shallower), aperture (wider/lower f-number = shallower), and subject distance (closer = shallower) — a 50mm lens at f/1.8 focused at 2 meters gives a razor-thin DOF of just centimeters.
If you focus at the hyperfocal distance (the closest focus distance where infinity is still acceptably sharp), everything from half the hyperfocal distance to infinity will be in focus — landscape photographers use this constantly.
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OpenLast updated: August 2026
Depth of Field
1.71 m
What you entered
Hyperfocal distance
(50^2 / (2.8 x 0.03)) + 50= 29.8119 mNear focus limit
(H x s) / (H + (s - f))= 4.288 mFar focus limit
(H x s) / (H - (s - f))= 5.9955 mDepth of field
far limit - near limit= 1.7075 mResult
Depth of Field: 1.71 m