Re: [ATM] All Spherical Telescopes

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

I actually found one that fits into OSLO-EDU and still has somewhat
reasonable performance (visual Strehl: 0.937 to 0773).  I liked the
geometry enough to add it to the rogue's gallery:

    http://users.rcn.com/rflrs/rc6-21x.atm
    http://users.rcn.com/rflrs/rc6-21x.len
    http://users.rcn.com/rflrs/rc6-21x.txt
    http://users.rcn.com/rflrs/rc6-21x.zmx

The sensitive fluorcrown is gone (N-FK5 is not a sensitive fluorcrown),
so the glass should be reasonably robust.  The front corrector lens is
now a doublet.  This means the mass near the end of that 600 mm mast is
down to 84 g.
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