Hi Zemax Community,
I am reading the book, introduction to lens design with practical zemax examples.
And in the chapter 11.6, it writes
“ We now combine spherical aberration and defocus mathematically, so that we can find the position of the minimum blur(MB) spot
W = W040*ρ^4 + Wd*ρ^2
this occurs when
Wd = -3/2* W040 “
I just wondered
- Why Wd = -3/2*W040 makes the MB minimum ,how to get the -3/2?
- is zemax using this calculation in M solve?
Thanks in advance
Best regards
Yang
Best answer by Akhil Dutt Vijayakumar
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