{"product_id":"stereo-microscope-focusing-rack-with-standard-76mm","title":"Stereo Microscope Focusing Rack With Standard 76mm Mounting, 3-Inch Focusing Holder, Pro Grade Vertical Travel, Tough Adjustable Positioning For Lab Gear, Education And Research Use","description":"\u003cdiv\u003eSingle-unit 3-inch focusing rack for 76mm stereo microscopes\n\u003cbr\u003e\n✔️ 3-inch (76mm) standard mount, coarse focus, adjustable tension \u003cp\u003eThe focusing rack is a sturdy accessory designed to attach to stereo microscopes with a 3-inch body. It provides controlled vertical travel for precise focus during lab work, classroom demonstrations, and research workflows. This pro-grade rack ensures reliable alignment for imaging and measurement tasks in biology, materials science, and education settings.\u003c\/p\u003e \u003cp\u003e✅ Mount diameter: 3 inches (76 mm), fits standard stereo microscope bodies \u003cbr\u003e\n✅ Vertical travel: +\/- 1 inch (25 mm) for precise focusing \u003cbr\u003e\n✅ Center-to-annular-hole distance: 6-5\/8 inches (168 mm) \u003cbr\u003e\n✅ Coarse focusing mechanism with pinion and tool-free tension adjustment \u003cbr\u003e\n✅ Color: Black; 1-year warranty against manufacturing defects \u003cbr\u003e\u003c\/p\u003e \u003cp\u003e💡 What is a stereo microscope focusing rack used for in labs?\u003c\/p\u003e\n\u003cp\u003eIt is a handy mounting accessory that keeps a microscope steady while you adjust focus, improving imaging consistency.\u003c\/p\u003e\n- Handy for teaching demos in classrooms\n- Simple setup for quick experiments and measurements\n- Great for aligning accessories and maintaining optical paths\n✝️\u003c\/div\u003e","brand":"Amazon","offers":[{"title":"Default Title","offer_id":49140946632939,"sku":"VXB00987UHJ0","price":161.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0662\/3268\/0683\/files\/51R4BdVAs0L.jpg?v=1785699742","url":"https:\/\/vxb.com\/products\/stereo-microscope-focusing-rack-with-standard-76mm","provider":"VXB Bearings","version":"1.0","type":"link"}