{"product_id":"dotmtx-alu-400x400-d20-s40","title":"20mm Dot Grid Target | Aluminum | 400x400mm | Positive","description":"\u003cp\u003e20mm 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-400x400-D20-S40. External dimension 400x400mm, useful pattern area 320x320mm, dot size 20mm, pitch 40mm, array 7x7, accuracy ±5.0μm, Positive polarity.\u003c\/p\u003e","brand":"Fulteng - Optomechanical and Components","offers":[{"title":"Default Title","offer_id":50103468753119,"sku":"DOTMTX-ALU-400x400-D20-S40","price":154.9,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0756\/7399\/3439\/files\/DOTMTX-ALU-400x400-D20-S40_a1a1bbe1-990a-47bc-852e-295ca4ae80ae.png?v=1781094829","url":"https:\/\/www.fulteng.com\/zh-hans\/products\/dotmtx-alu-400x400-d20-s40","provider":"Fulteng - Optomechanical and Components Workshop","version":"1.0","type":"link"}