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Old 09-12-2005, 06:47 PM
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avandonk
avandonk

avandonk is offline
 
Join Date: Aug 2005
Location: Melbourne
Posts: 4,786
I have seen people use one of those 500mm F8 mirror lens as a guide scope as they are compact and light, one bolt attachment (get one with a tripod leg) and minimal flexure.You can get a new one on Ebay for less than an achromat.Even less second hand. Aperture is equivalent to about 70mm.

Bert
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