Quote:
Originally Posted by Wavytone
The holy grail... russian voodoo at its best - Strehl 0.98 with central obstruction 22%. ... and it comes with a built-in cheese-grater ! The mount for the focuser is now anodised black, of course.
Grab & go ? That’s my finderscope ...
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Lovely..
That is indeed a very small, almost too small collimatable secondary, considering the focal length...Wirth and Russian optical excellence!
Bigjoe