Quote:
Originally Posted by Spartan1
It is a Gregory 'spot' Maksutov-Cassegrain design so no secondary mirror.
Rear cell adaptor is standard for a 1.25" diagonal or t-ring and has an external M-42 thread.
I am not into AP and so I cannot answer your last question.
From discussions here today at Astronomy Academy it may be a 1980's Russian made scope, re-branded. OTA is solid aluminium, not rolled plate, and the rear cell is heavy and well made.
Philip
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Further to my previous message, I have just been sent the attached pics which appear to show that the scope was of Taiwanese manufacture. The design of the finderscope confirms it is vintage. The scope is advertised as 80mm/fl1000 but with an f11 description not f12.5. The aperture is slightly bigger than 80mm though. Thanks, Philip