![APM Telescopes. TS Optics Bahtinov mask for astrophotography - suitable for diameters from 250-290mm APM Telescopes. TS Optics Bahtinov mask for astrophotography - suitable for diameters from 250-290mm](https://www.apm-telescopes.net/images/thumbs/0022652_bahtinov-maske-1000_640.jpg)
APM Telescopes. TS Optics Bahtinov mask for astrophotography - suitable for diameters from 250-290mm
![A Tri-Bahtinov mask for SCT collimation and focusing - Equipment (No astrophotography) - Cloudy Nights A Tri-Bahtinov mask for SCT collimation and focusing - Equipment (No astrophotography) - Cloudy Nights](https://www.cloudynights.com/uploads/monthly_05_2016/post-235519-0-27214800-1462708243.png)
A Tri-Bahtinov mask for SCT collimation and focusing - Equipment (No astrophotography) - Cloudy Nights
![Astrozap Focusing cap - Bahtinov focusing mask - Celestron 5" SCT or Astro-Tech AT115EDT | Astronomics.com Astrozap Focusing cap - Bahtinov focusing mask - Celestron 5" SCT or Astro-Tech AT115EDT | Astronomics.com](https://www.astronomics.com/media/catalog/product/cache/1/image/1800x/040ec09b1e35df139433887a97daa66f/1/7/17207.jpg)
Astrozap Focusing cap - Bahtinov focusing mask - Celestron 5" SCT or Astro-Tech AT115EDT | Astronomics.com
![STL file Bathinov mask for Skywatcher telescope 200 x 1000 bahtinov・Design to download and 3D print・Cults STL file Bathinov mask for Skywatcher telescope 200 x 1000 bahtinov・Design to download and 3D print・Cults](https://files.cults3d.com/uploaders/13701151/illustration-file/c5684421-574c-41ec-aaef-5994a4e0776c/bahtinov-2.jpg)
STL file Bathinov mask for Skywatcher telescope 200 x 1000 bahtinov・Design to download and 3D print・Cults
![Bat-300 | Bahtinov-Mask for 300mm telescope with 356mm tube-diameter Teleskop-Austria | Teleskop Mikroskop und Fernglas Shop Bat-300 | Bahtinov-Mask for 300mm telescope with 356mm tube-diameter Teleskop-Austria | Teleskop Mikroskop und Fernglas Shop](https://teleskop-austria.com/kepek/Bat-300.jpg)