Question

How to model a Fresnel lens of equal thickness?

  • 21 November 2021
  • 0 replies
  • 18 views

Dear:

Hi,I want to model a Fresnel lens of equal thickness,but I do not know how. So I ask you this question. I want this lens to have a diameter of 264 mm,and the effl is 245 mm,with 5 rings.

yours


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