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: Etx replacement parts  ( 915 )
Denlongstaff
New Member
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« : October 19, 2015, 05:39:52 PM »

Folks... I am wondering if anyone knows of a source of replacement parts for Meade ETX?
I have a used etx105 which frankly is a little beat up (I probably should have passed...). It has a fairly significant scratch on the Secondary mirror (the one 'stuck' to the backside of the front lense). Can't imagine how the previous owner managed to scratch it but I'm stuck with it now.
Is it possible to replace this?
Many thanks
Den
drclay
Administrator
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« #1 : October 19, 2015, 06:40:17 PM »

It is not possible to replace this mirror since it is actually deposited chemically atop the inside of the corrector plate.
Unfortunately, this is the worst place to have the scratch.....the light falling on that is already nearly at focus and the effects can be seen/resolved at the eyepiece or camera.

Doc

Dr. Clay
drclay@tcworks.net
ASO Petit Jean Mountain /MPC H41
ASO Petit Jean Mountain South /MPC H45
ASO West Conway /MPC H43
.......serving astronomy since 1971
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