Aftermarket Tri-Bahtinov focus mask for select telescopes
Designed to assist with precise telescope focusing
Useful for astrophotography and manual focus setup
Generates diffraction patterns to help identify focus alignment
وصف
This aftermarket Tri-Bahtinov focus mask is designed as a practical focusing aid for astrophotography and telescope setup. The mask is intended to assist with precise focus adjustment by generating diffraction patterns that help indicate proper alignment.