The formula for the maximum focus range or hyperfocal distance, H, of a camera is given by H= L^2/F(C) , where L is the focal length of the lens, f is the setting on the camera to reduce or enlarge the aperture, and c is the diameter of the circle of least confusion.

The formula can be rewritten to solve for L as L=F(C)/H^2

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Question

The formula for the maximum focus range or hyperfocal distance, H,  of a camera is given by H= L^2/F(C) , where L is the focal length of the lens, f is the setting on the camera to reduce or enlarge the aperture, and c is the diameter of the circle of least confusion.

The formula can be rewritten to solve for L as L=F(C)/H^2

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jack1 · Answer

H= L^2/F(C)
solve for L
$\Large H= \frac {L^2}{F(C)}$

$\large H \times F(C) = L^2$

$\large L^2 = H \times F(C)  $

$\large L = \sqrt {H \times F(C)}  $
 i think...?