3D-printed accessories for hassle-free astrophotography
Made in Germany, shipped from Germany
Tri-Bahtinov Mask for Focusing and Collimation Control for Various Reflectors
A Bahtinov mask with a special pattern for reflector telescopes. It allows easier focusing and collimation control at the same time.
(use the arrows on the left and right sides in the middle of the frame to scroll through pictures)
The mask pattern is calculated according to an improved formula and brings better illumination, see the discussion on Cloudy Nights forum and the original design on GitHub.
Currently, masks are available for the following reflectors:
- Celestron C8 OTA
- Celestron EdgeHD 800 8 inch
- Celestron NextStar Evo 8 inch
- GSO (and similar) RC8 8 inch f/8 Ritchey-Chretien
- Vixen R220 SS 800mm Newton
Since Nov 2024, all large masks, incl. these here are printed in one piece without gluing.
If you have questions, feedback or suggestions for custom changes, please contact us using this form.
28,00 €
VAT exempted according to UStG §19
plus shipping
Delivery Time: ca. 3-4 workdays
Additional costs (e.g. for customs or taxes) may occur when shipping to non-EU countries.
