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3 black Celestron cats crossed my path.... Sold!

Price - $82.00

Ad Number: 174606

Posted: 18 Jun 2019

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...But no bad luck! These are very good cats; maksutov cats, and each will serve you well. To make this a quicker ad, the following apply to all (3) for sale:

They are 3.5-inch f/11 optical systems.
They have .965-inch visual backs and each has their original set screw.
Focusing is achieved by turning the front end of the optical tube.
Each will mount to ANY tripod that has a 1/4-20 threaded plate adapter.
All are highly apt for urban and suburban stargazing as well as perfect for birding, camping, and apartment living where space is limited.
Weight of each setup is around 3.1 pounds to 4.5 pounds depending on accessories being used.

Rubber C90: Weather proof, dew proof, shock proof, and will survive light rain. My favorite all-time C90 ever made. Comes with both original dust covers for scope, original 8x20 finder and finder brackets, Vixen-made .965" 45-deg prism diagonal, and has multicoated plate and mirrors. No caps for finder.
Cosmetics are exc on scope, exc on finder, very exc on diagonal. Optics are vexc on primary, exc on corrector, and exc on secondary. Secondary has dust. Collimation exc. Finder optics are great with minor dust. Diag prism is vexc. $176.00

Black Gloss C90: Every bit as good as the above model, but not weather proof. Comes with .965" Towa 90 deg prism diagonal w caps, front cover for C90, and original 8x20 finder setup.
Cosmetics are exc on gloss, vexc on cast body, finder is exc. Optics are exc on both mirrors w minor dust, vexc on plate. Finder is great w coat loss on eyepiece, but clear images. Diag optics are mint. Collimation exc. Focusing is slightly stiff in places. $139.00 sold

Black Gloss C90: This has the multicoated optics. Comes with no caps, no diagonal or finder. I do have a diagonal for a little more $. Cosmetics are vexc on gloss, exc on cast body. Focus is smooth, collimation exc. Optics are exc on plate, vexc on primary, great on secondary due to coating needing cleaning. $82.00 sold

Prices don't include shipping. Anyone anywhere! And I have more photos.


  • Condition great to very excellent
  • Location Veradale, WA

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