Bahtinov Focus Mask for TS Photoline 130mm, or any 170mm O.D Lens or

Bahtinov Focus Mask for Telescope or any 170mm O.D Lens - Desighned for Photoline 130mm lenses 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  USPS SHIPPING. 2 TO 3 DAY SHIPPING. White. Or black available. I implemented a pretty narrow pattern for a large diffraction pattern. SHIPPING CHARGES ARE CHANGING DUE TO HIGHER SHIPPING CHARGES, AND HIGHER SHIPPING SUPPLIES CHARGES. SO MANY ITEMS THAT WAS FREE SHIPPING WILL BE CHANGING OVER TO CHARGED SHIPPING TO THE BUYER. BUT THAT WILL ALSO MEAN BETTER AND FASTER SHIPPING OPTIONS, AS WELL AS PRICES ON THE ITEMS THEMSELVES WILL BE GOING DOWN SOME AS WELL. 

Returns Accepted for this item if it's within 30 Days