{"product_id":"dotmtx-alu-70x70-d3-5-s7","title":"3.5mm Dot Grid Target | Aluminum | 70x70mm | Positive","description":"\u003cp\u003e3.5mm dot grid calibration target on aluminum for lens distortion measurement, camera calibration, machine vision setup, and optical system verification.\u003c\/p\u003e\u003cp\u003ePart number DOTMTX-ALU-70x70-D3.5-S7. External dimension 70x70mm, useful pattern area 56x56mm, dot size 3.5mm, pitch 7mm, array 7x7, accuracy ±5.0μm, Positive polarity.\u003c\/p\u003e","brand":"Fulteng - Optomechanical and Components","offers":[{"title":"Default Title","offer_id":50103458070751,"sku":"DOTMTX-ALU-70x70-D3.5-S7","price":29.55,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0756\/7399\/3439\/files\/DOTMTX-ALU-70x70-D3.5-S7_3164bcaa-641a-4f73-a43c-0c745dc0812e.png?v=1781094736","url":"https:\/\/www.fulteng.com\/zh-hant\/products\/dotmtx-alu-70x70-d3-5-s7","provider":"Fulteng - Optomechanical and Components Workshop","version":"1.0","type":"link"}