Check the listing for details. 82mm Thread DSLR Camera Lense Bahtinov Mask CAP (VERSION THREE MODEL). Condition: New. Listed at 11.39 USD. 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. 82mm 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. 82mm 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 SHIPPING CHARGES ARE CHANGING. I WILL BE CHANGING SLOWLY ALL POST TO BE NO LONGER FREE SHIPPING. CHARGES WITH SHIPPING SUPPLIES AND SHIPPING ITSELF HAS GONE UP AND DOING FREE SHIPPING IS COSTING ME TOO MUCH. BUT THAT ALSO WILL MEAN I CAN LOWER PRICES 1 TO 5 DOLLARS ON ALL ITEMS I MAKE AND SELL. SO MY CUSTOMERS ARE STILL GETTING A DECENT AND FAIR DEAL FOR THERE ITEM. THANKS FOR YOUR UNDERSTANDING... MATT