{"product_id":"focusing-mask-for-telescopes-60-to-90mm-acrylic-as","title":"Focusing Mask For Telescopes 60 To 90mm Acrylic Astrophotography Accessory, Easy Install For Refractors, Dobsonians, And Maks, Pro Grade Mask Alternative For Sharp, Precise Auto Focus In Low Light Observing","description":"\u003cdiv\u003eSingle Bahtinov Focusing Mask for 60-90mm Telescopes\u003cbr\u003e\n✔️ Acrylic Bahtinov mask for 60-90mm tubes; 3 metal posts \u003cp\u003eThis Bahtinov focusing mask is designed to simplify achieving sharp focus on small-diameter telescope tubes. It fits refractors, Dobsonians, and Maks, delivering a handy, fast method to lock in precise focus in low-light observing sessions.\u003c\/p\u003e ✅ Three-post mount with silicone-covered posts ensures centered, slip-free fit\u003cbr\u003e\n✅ Fits tubes from 60 to 90 mm outer diameter for easy sizing\u003cbr\u003e\n✅ Lightweight design minimizes balance changes during imaging and observing\u003cbr\u003e\n✅ Improves focusing accuracy across refractors, Maks, and Dobsonians\u003cbr\u003e\n \u003cp\u003e💡 What is a Bahtinov focusing mask used for in 60-90mm telescope tubes?\u003c\/p\u003e\n\u003cp\u003eIt’s a handy, handy tool that helps you lock in precise focus quickly in low light.\u003c\/p\u003e\n- It guides focus by diffraction spikes for precise alignment\u003cbr\u003e\n- Works across telescope types including refractors, Maks, and Dobsonians\u003cbr\u003e\n- Lightweight three-post design keeps alignment without upsetting balance\u003cbr\u003e\n✝️\u003c\/div\u003e","brand":"Amazon","offers":[{"title":"Default Title","offer_id":48939049746667,"sku":"VXB0B5DQ9RM1","price":44.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0662\/3268\/0683\/files\/71_s-42mabL_5102604a-0a2e-4ceb-b7c2-34a5c2c8256d.jpg?v=1782397189","url":"https:\/\/vxb.com\/products\/focusing-mask-for-telescopes-60-to-90mm-acrylic-as","provider":"VXB Bearings","version":"1.0","type":"link"}