Re: [ATM] APO design

["Richard F.L.R. Snashall" <rflrs@rcn.com>]

Attila Schné wrote:

>Hello,
>
>              First of all Happy New Year for everyone!
>
>              I am a hungarian telescope maker and a   new member of
>              the list.
>
Welcome to the list.

>
>              I have the OSLO and ZEMAX but I don't have idea how can
>              I optimize the design in OSLO or or in the ZEMAX.
>              I want to use N-BAF3 or N-BAF4, KZFSN4, and N-FK5 Schott
>              glasses wich are easily available here in Europe.And
>              the the design will be the Christen type triplet.
>              Because I don't know another designes using these
>              glasses.
>
>              I really need some help, ideas or so, because all of my
>              tries gone bad using OSLO and ZEMAX.
>
Maybe all you need is a starter design you can abuse:

Surf     Radius    Thickness     Glass   Diameter

 STO   Infinity    -7.670785                  250
   2    1022.31           39     N-FK5        260
   3   -594.302          8.8                  260
   4   -617.733         18.2    KZFSN4        260
   5    286.875         49.6    N-BAF4        260
   6   -3813.26     2168.273                  260
 IMA  -778.2724                          42.08291
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