The effective focal length f of a lens of thickness d that has surfaces with radii of
Question:
The effective focal length f of a lens of thickness d that has surfaces with radii of curvature R1 and R2 is given by
where n is the refractive index of the lens medium. Write a method that computes f in terms of the other parameters.
Transcribed Image Text:
(n – 1)d 1 (n-1) RR nR,R,
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