6-inch-bahtinov-mask-template-a4
- No tags were found...
Create successful ePaper yourself
Turn your PDF publications into a flip-book with our unique Google optimized e-Paper software.
Bahtinov Focusing <strong>mask</strong> for 6" telescope - www.deepskywatch.com<br />
A4 printout, generated by "Astrojargon.net" tool