{"product_id":"bahtinov-mask-for-telescopes-120-to-160mm-acrylic","title":"Bahtinov Mask For Telescopes 120 To 160mm Acrylic No Nonsense Focusing Tool Manual Focus Accessory Black Fits Dobsonians Mak Cas Refractors Easy Focusing For Sharper Star Images And Precise Focus","description":"\u003cdiv\u003eBahtinov Focus Mask for 120-160mm Telescopes, Acrylic\u003cbr\u003e\n✔️ Acrylic mask, 2 mm thick, fits 120-160 mm tubes, 3 metal posts \u003cp\u003eThis acrylic Bahtinov mask is a handy manual focusing tool for telescope users, designed to speed up achieving sharp star images. It fits a range of telescope types including Dobsonians, Maksutov-Cassegrains, and refractors by using the three-post mounting to stay centered without upsetting balance.\u003c\/p\u003e ✅ Material: Acrylic, approx. 2 mm thick\u003cbr\u003e\n✅ Outer diameter: 120-160 mm (4.7-6.3 in) tubes\u003cbr\u003e\n✅ Three metal posts with silicone covers to prevent scratching and ensure centering\u003cbr\u003e\n✅ Lightweight design to avoid upsetting telescope balance\u003cbr\u003e\n✅ Package includes 1 mask and 3 mounting accessories\u003cbr\u003e \u003cp\u003e💡 What is a Bahtinov mask used for in astrophotography focusing?\u003cbr\u003e A handy, practical explanation follows.\u003c\/p\u003e\n- Diffraction spikes guide you to the sharpest focus on stars.\n- Works across Dobsonian, Mak-Cass, and refractors in the 120-160 mm range.\n- The three-post mount keeps the mask centered without upsetting telescope balance.\n- Great for both astrophotography and visual observing. ✝️\u003c\/div\u003e","brand":"Amazon","offers":[{"title":"Default Title","offer_id":48939026317547,"sku":"VXB0D5BVTJ3N","price":48.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0662\/3268\/0683\/files\/719BjIUBFdL.jpg?v=1782396934","url":"https:\/\/vxb.com\/products\/bahtinov-mask-for-telescopes-120-to-160mm-acrylic","provider":"VXB Bearings","version":"1.0","type":"link"}