{"product_id":"bahtinov-telescope-focus-mask-acrylic-plate-for-60","title":"Bahtinov Telescope Focus Mask Acrylic Plate for 60mm to 90mm Outer Diameter Objective Lens, Easy Quick Focus Mask for Telescopes with Three Post Mount Pro Grade Focusing Aid Ready To Go","description":"\u003cdiv\u003eBahtinov Focus Mask for 60-90mm Telescope Lenses\u003cbr\u003e\n✔️ Acrylic plate with three metal posts fits 60 to 90 mm tubes \u003cp\u003eThis acrylic Bahtinov focus mask helps telescope users nail precise focus on stars and planets without guesswork and works on refractors Dobsonians and other scopes in the 60 to 90 mm range.\u003c\/p\u003e ✅ Delivers quick accurate focus even with vision issues \u003cbr\u003e\n✅ Three metal posts with silicone covers grip gently \u003cbr\u003e\n✅ Lightweight design keeps telescope balance steady \u003cbr\u003e\n✅ Works on mirrors refractors and Maksutov scopes \u003cbr\u003e \u003cp\u003e💡 How do astronomers get sharp focus with a telescope?\nA Bahtinov mask turns focusing into a fast visual process by creating a clear diffraction pattern that shows when the image is perfectly sharp.\n- Ideal for backyard observers who want reliable results fast\n- Supports all telescope types once tube size is measured\n- Prevents slippage and stays centered during use\n- Simple tool that removes the hassle from fine tuning optics\u003c\/p\u003e✝️\u003c\/div\u003e","brand":"Amazon","offers":[{"title":"Default Title","offer_id":48939022647531,"sku":"VXB0BTT5M9PL","price":47.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0662\/3268\/0683\/files\/61XDslv_0iL.jpg?v=1782396738","url":"https:\/\/vxb.com\/products\/bahtinov-telescope-focus-mask-acrylic-plate-for-60","provider":"VXB Bearings","version":"1.0","type":"link"}