HIGH BAHTINOV FACTOR VERSION 3 . MORE BAHTINOV LINES WITH THIN LINED MASK FOR HIGH BAHTINOV FACTOR! VERSION 3 IS THE 3RD VERSION OF THIS MASK. NEW DESIGN! CHECK OUT PICTURES AND COMPARE TO VERSION 1 AND 2 MASKS. MADE FROM HIGH DEMAND FROM CUSTOMERS.

90mm Version THREE of original DSLR Bahtinov masks models.  Updated mask with better focusing,  no text plain front with a more loose non binding pressure spring that now fits better and not binding to mask. 

90mm Thread DSLR Camera Lense Bahtinov Focus Mask VERSION 3 High Bahtinov Factor . Condition is "New". Shipped with USPS First Class. Free shipping through USPS 2 to 3 days when buying inside the United States. Made with black  plastic on 3d printers. Made and designed by Spencer-3D. If need a size thats not posted on my sells list just message me and I will make the size you need no problem. I can design or make changes on just about anything.  If need a Bahtinov mask or part ti fit your telescope or camera message me. I do more then just Bahtinov masks, I make and sell alot of different things. I always have shipped out WITHIN 48 hours of purchase unless its an custom made part or its in a weekend or holiday.  Usually %90 of items get made and shipped within 24 hours of purchase, so I pride myself on getting your project or products to you as soon as possible . Thanks....Matt