Product series:
Astrozap
Bahtinov focusing mask, 292mm-368mm
$ 175.00
ready for shipping in 3-5
weeks
Astrozap
Bahtinov focusing mask for apertures of 368mm-444mm
$ 196.00
ready for shipping in 3-5
weeks
Astrozap
Bahtinov focus mask for 216mm-292mm apertures
$ 134.00
ready for shipping in 3-5
weeks