Originally Posted by Nick Kanellos
Originally Posted by michaelbsc
What function describes the image's circle of confusion from the diffraction and the CoC from just the hole?
d = the pinhole diameter
λ = the wave length (about 0.000555mm)
f = the focal length
Taken from "Way Beyond Monochrome. 2nd ed." p. 155
Is this the Formula for an optimum size?
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