{"product_id":"dotmtx-opg-50x50-d2-s4","title":"2mm Dot Grid Target | Optical Glass | 50x50mm | Positive","description":"\u003cp\u003e2mm dot grid calibration target on optical glass for lens distortion measurement, camera calibration, machine vision setup, and optical system verification.\u003c\/p\u003e\u003cp\u003ePart number DOTMTX-OPG-50x50-D2-S4. External dimension 50x50mm, useful pattern area 32x32mm, dot size 2mm, pitch 4mm, array 7x7, accuracy ±5.0μm, Positive polarity.\u003c\/p\u003e","brand":"Fulteng - Optomechanical and Components","offers":[{"title":"Default Title","offer_id":50103436345567,"sku":"DOTMTX-OPG-50x50-D2-S4","price":11.61,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0756\/7399\/3439\/files\/DOTMTX-OPG-50x50-D2-S4_c4e9d004-c7c0-46ab-b698-f1f3148d8128.png?v=1781094520","url":"https:\/\/www.fulteng.com\/products\/dotmtx-opg-50x50-d2-s4","provider":"Fulteng - Optomechanical and Components Workshop","version":"1.0","type":"link"}