From: "Richard F.L.R. Snashall" 
To: ATM List 
Reply-To: "Richard F.L.R. Snashall" 




Richard F.L.R. Snashall wrote:
>
> And here are the Ms. July entries (air-spaced f/15 class):
>
>     http://users.rcn.com/rflrs/calcdoub2-11x.len
>     http://users.rcn.com/rflrs/calcdoub2-12x.len
>
> Enjoy.
>

Scandalously, Zema X. surreptitiously informed us that the former is a bit
unbalanced, possibly disqualifying her entry.

The solution can be balanced better by using a minimum focus wavelength of
536 nm and a central wavelength of 560 nm:

        http://users.rcn.com/rflrs/calcdoub2-11bx.len

This balance improves the photopic Strehl by about 0.002.

--
Rick S.
http://users.rcn.com/rflrs

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