{"product_id":"dotmtx-alu-70x70-d3-75-s7-5","title":"3.75mm Dot Grid Target | Aluminum | 70x70mm | Positive","description":"\u003cp\u003e3.75mm 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-D3.75-S7.5. External dimension 70x70mm, useful pattern area 60x60mm, dot size 3.75mm, pitch 7.5mm, array 7x7, accuracy ±5.0μm, Positive polarity.\u003c\/p\u003e","brand":"Fulteng - Optomechanical and Components","offers":[{"title":"Default Title","offer_id":50103459381471,"sku":"DOTMTX-ALU-70x70-D3.75-S7.5","price":29.55,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0756\/7399\/3439\/files\/DOTMTX-ALU-70x70-D3.75-S7.5_d91c6fbd-32d9-4442-82e6-5ea90c9235fe.png?v=1781094747","url":"https:\/\/www.fulteng.com\/products\/dotmtx-alu-70x70-d3-75-s7-5","provider":"Fulteng - Optomechanical and Components Workshop","version":"1.0","type":"link"}