Buckeye Stargazer Accessory Buckeye Stargazer 3D-Printed Tri-Bahtinov Masks for Celestron Scopes for Collimation and Focus
Buckeye Stargazer Accessory Buckeye Stargazer 3D-Printed Tri-Bahtinov Masks for Celestron Scopes for Collimation and Focus
Buckeye Stargazer Accessory Buckeye Stargazer 3D-Printed Tri-Bahtinov Masks for Celestron Scopes for Collimation and Focus
Buckeye Stargazer Accessory Buckeye Stargazer 3D-Printed Tri-Bahtinov Masks for Celestron Scopes for Collimation and Focus
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Buckeye Stargazer Accessory Buckeye Stargazer 3D-Printed Tri-Bahtinov Masks for Celestron Scopes for Collimation and FocusBuckeye Stargazer Accessory Buckeye Stargazer 3D-Printed Tri-Bahtinov Masks for Celestron Scopes for Collimation and FocusBuckeye Stargazer Accessory Buckeye Stargazer 3D-Printed Tri-Bahtinov Masks for Celestron Scopes for Collimation and FocusBuckeye Stargazer Accessory Buckeye Stargazer 3D-Printed Tri-Bahtinov Masks for Celestron Scopes for Collimation and Focus

Buckeye Stargazer 3D-Printed Tri-Bahtinov Masks for Celestron Scopes for Collimation and Focus

Buckeye StargazerSKU: TriBahtinov-C5
Size: Celestron 5" SCTs - TriBahtinov-C5
Price:
$29 CAD
Stock:
In stock: 2 units - Most orders placed by 2PM EST will be shipped out the same day (weekdays)

Customer Reviews

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R
Richard K.
C14 tri-Bahtinov mask

The mask was purchased as a quick way of collimating my C14 with the Hyperstar system installed. The mask comes in 6 sections which snap together. The mask supposedly fits around the Hyperstar lens assembly, but is just a bit too tight on the version I have. It still works, but is a pain to remove without removing the camera once collimation is finished. My Hyperstar is an early version, so this may not be the case with more recent ones.
All in all, it does what it should and indeed is an easier and faster collimation method than setting up a laser collimation system

Description

A Tri-Bahtinov mask operates under the same principle as the Bahtinov mask for focusing and adds the ability to collimate scopes with collimatable optics.  
The design is based on Cytan's idea, documented on his Github site here, and the sketch was made using Satoru Takagi's Mask Generator.
The mask has a raised center for an easy grip and comes in three sections that snap fit together and can be taken apart for easier storage (C5 is one piece, 14" and larger are 6 sections). 

If you don't see your scope listed below Buckeye will be happy to design a mask to meet your needs.

Celestron 5" SCTs: TriBahtinov-C5
Celestron 8" SCT (non-Fastar pre-1998): TriBahtinov-C8-NF
Celestron "Classic 8" (Orange Tubes): TriBahtinov-CClassic8
Celestron 14" SCT and EdgeHD (non-Fastar pre-1998): TriBahtinov-C14-NF
Celestron 6" SCTs: TriBahtinov-C6
Celestron 8" SCTs and EdgeHD (incl. Ultima 2000): TriBahtinov-C8
Celestron 9.25" SCTs and EdgeHD: TriBahtinov-C9.25
Celestron 11" SCTs and EdgeHD: TriBahtinov-C11
Celestron 14" SCTs and EdgeHD: TriBahtinov-C14

Instructions for Use

Please see Cytan's wiki page.  

**For Hyperstar versions, the center hole accommodates the Hyperstar, and will not go around cameras that are wider than the Hyperstar body.  In such cases the camera must be removed for installation and removal of the mask.

Printed in durable, temperature tolerant PETG filament.

 

Additional Resources
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