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#photography

Let **f** be the lens focal length, **N **be the lens f -number, and **c **be the circle of confusion for a given image format. The **H** hyperfocal distance is approximately given by: \(\large H\approx\frac{f^2}{Nc}\)

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**Depth of field - Wikipedia, the free encyclopedia**

, miosis). DOF formulas[edit] The basis of these formulas is given in the section Derivation of the DOF formulae; [10] refer to the diagram in that section for illustration of the quantities discussed below. Hyperfocal distance[edit] <span>Let be the lens focal length, be the lens f -number, and be the circle of confusion for a given image format. The hyperfocal distance is given by Moderate-to-large distances[edit] Let be the distance at which the camera is focused (the "subject distance"). When is large in comparison with the lens focal length, the d

, miosis). DOF formulas[edit] The basis of these formulas is given in the section Derivation of the DOF formulae; [10] refer to the diagram in that section for illustration of the quantities discussed below. Hyperfocal distance[edit] <span>Let be the lens focal length, be the lens f -number, and be the circle of confusion for a given image format. The hyperfocal distance is given by Moderate-to-large distances[edit] Let be the distance at which the camera is focused (the "subject distance"). When is large in comparison with the lens focal length, the d

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