Mike I. Jones
(Carpal Tunnel)
07/03/09 07:37 PM
Attachment
Re: Test Setup for Cass using a Parabola
Something like....this?
12.5" f/4 parabola, fed at its focal point by a single-mode fiber with an LED at the other end. Cassegrain, Mak, refractor, or anything else can now be placed in collimated light for testing.
Ehh?
Mike