Check the listing for details. 52mm Thread DSLR Camera Lense Bahtinov Focus Mask. Condition: New. Listed at 12.99 USD. 52mm Thread DSLR Camera Lense Bahtinov Focus Mask. 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 Carbon Fiber 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