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Mirror Cell Measurement PLEASE!

Started by DobFan, 07/11/2003 03:17AM
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Posted 07/11/2003 03:17AM Opening Post
Adam Jaffe Back
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Join Date: Jan 2002

Location: Ashland OR, US

Posts: 32

Hello Hello AStroMarters!

Can anyone tell me the diameter of the tube needed (at minimum) to install a ten inch University Optics alluminum mirror cell? I have a standard f/4.5 Meade Starfinder dob. The original cell consists of the mirror being glued onto particle board. Always reasuring looking at lower scorpius with your mirror held in place by good old elmer...;-).

Thanks!
-Adam Back
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Posted 07/11/2003 07:55AM #1
Brien Stratton
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Join Date: May 2001

Location: Roseneath ON, CA

Posts: 156

Adam, I have a 10" UO mirror cell in front of me. The measurement from the screw on the outside of the mirror clip to the screw on the other side is 11+5/16th". But I would think that you would need at least 1/2" more room for the white nylon side screws which jut out further. These screws are tightened in to barely touch the side of the mirror, so the mirror does not move much. You may have to cut the screws if you have tight clearances with your telescope tube as the screws are 1" in length.

Brien Stratton
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