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Garrett Signature 28x110 Collimation - Garrett Optical Garrett Signature 28x110 Hd-wp Binocular - 28x, 110mm

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Collimation of my lxd 55 8" tellescope i had to take off the secondry mirror and primery mirrror .due to kids play with them.i can seem to collimat the tellescope can you please tell my how to line...

The corrector lens must be perfectly centered and should have been replaced in the exact position as when you removed it. You are now left with trial and error-- turn the lens 10 degrees- check collimation-- turn the lens 10 more degrees check collimation etc etc -- until you are able to collimate the scope.

Jul 01, 2011 | Meade LXD55 Telescope

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I lent my Celestron 9.25 SCT to a friend and he said he had collimation issues. He said he couldn't find the collimation screws on the secondary so he unseated the retainer ring and pulled the secondary...

Yes because the corrector plate must be replaced in the exact position it was removed. There were probably also small paper or cork "shims" around the glass plate that must also be replaced exactly. Your friend messed up your scope most likely.

YOU DO NOT need to remove the corrector plate to collimate an SCT. The collimation screws are on the center of the plate and accessible from in front of the scope.

Mar 08, 2011 | Celestron CG9-1/4 9.25-inch Schmidt...

1 Answer


Read these web site articles:

Jan 03, 2011 | Celestron CGE-1400 Telescope

1 Answer

Telescope does not focus has not been used in a while but has been kept indoors .

It may be out of collimation:

Read these web sites:

Aug 28, 2010 | Celestron NexStar 11 GPS (660 x 279mm)...

1 Answer

My c8 needs collimation done. i dont know how to do it step by step. can u pls help me? thanx, debbie

Yes, read these web sites:

Aug 24, 2010 | Optics

1 Answer

When I look at a single object like a star, I see four stars in a perfect line.

Your scope may need collimation-- see these web sites:

Aug 14, 2010 | Meade LX200GPS Telescope

1 Answer

Collimation screws on the Celestar C8

If you are going to replace them contact "Bob's Knobs" and order the replacement thumb screws. Makes collimation much easier, no Allen wrench needed.

Sep 29, 2009 | Celestron Celestar 8 Telescope

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