Maksutov  Bahtinov Mask 127mm from Spencer-3D

Bahtinov Focus Mask for Telescope - MAK127 SLIDE ON. Condition is New. Shipped with USPS First Class. Software Designed and tested. Works great with these and similar models. 3d printed and designed by Spencer 3d. As always fast free USPS SHIPPING. 2 TO 3 DAY SHIPPING. BLACK Other colors available.  If need a different size ro fit your telescope message me as i may have a design or i can design one to fit your needs.