Depth of Field Formula - Other

Formula:

h = ( f * f ) / ( a * c )
n = ( h * d ) / ( h + ( d - f ) )
l = ( h * d ) / ( h - ( d - f ) )
r = l - n


Where,

h = Hyper Focal Length
f = Lens Focal Length
a = Aperture
c = Negative Format
d = Subject Distance
n = Near Limit of Acceptable Sharpness
l = Far Limit of Acceptable Sharpness
r = Depth of FIeld

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