Quote:
Originally Posted by Placoderm
HanSolo78: The reason that the scope has that elongated shape is so that the lens could pan up and down within it's housing. The oval shape allowed the lens/mirror assembly to tilt upwards to scan the sky and then back down for surface observations.
The eyepieces and the resulting image that the observer viewed was still round at all times.
The Observation scopes lens was also much larger than the Targeting scopes lens and allowed more light to enter, so the image was notably brighter and clearer. Both lenses were round, and used prisms to re-direct the light down to tube to the eyepieces.
I hope this info is helpful!
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OK, thats what I was thinking from what little info I could find.
Will leave the viewing points round then.
I wonder what the view looked like if you could see the the rectangular framing of the opening.