{"product_id":"lumaspec-ls-lxr-0354","title":"OpenCV calibration targets, 76 x 76 mm (LS-LXR-0354)","description":"\u003cp\u003eLS-LXR-0354 has an effective area of 52 x 48.\u003c\/p\u003e\u003cp\u003eIt carries a 12 x 13 grid over a 52 x 48 mm area, placed to ±1 μm by direct laser writing, on soda lime glass: lens distortion and the mm-per-pixel scale are worked out from it.\u003c\/p\u003e\u003ch3\u003eFeatures\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eMeasures 76 x 76 mm\u003c\/li\u003e\n\u003cli\u003eThis series is also made with 26 x 24, 39 x 36, 78 x 72 and 1 more\u003c\/li\u003e\n\u003cli\u003eFully follow method files from OpenCV\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eApplications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eCamera calibration: mm-per-pixel scale and lens distortion correction over fields up to 76 x 76 mm (printed target size)\u003c\/li\u003e\n\u003cli\u003eCheckerboard calibration with 4.0 mm squares, 12 x 13 array\u003c\/li\u003e\n\u003cli\u003eMetrology set-ups that need a known reference: ±1 μm overall accuracy\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eModel\u003c\/th\u003e\n\u003ctd\u003eLS-LXR-0354\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSubstrate\u003c\/th\u003e\n\u003ctd\u003eSoda Lime Glass\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eThickness\u003c\/th\u003e\n\u003ctd\u003e2.3 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eOverall accuracy\u003c\/th\u003e\n\u003ctd\u003e±1 μm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eProcess\u003c\/th\u003e\n\u003ctd\u003eDirect Laser Writing\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eDimension\u003c\/th\u003e\n\u003ctd\u003e76*76\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eEffective Area(mm)\u003c\/th\u003e\n\u003ctd\u003e52*48\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eGrid(mm)\u003c\/th\u003e\n\u003ctd\u003e4.0\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eGrid Array\u003c\/th\u003e\n\u003ctd\u003e12*13\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSoftware compatibility\u003c\/th\u003e\n\u003ctd\u003eOpenCV calibration (follows the OpenCV method files)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e","brand":"LumaSpec Vision","offers":[{"title":"Default Title","offer_id":53089585889562,"sku":"LS-LXR-0354","price":59.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1018\/5434\/7546\/files\/ls-lxr-s24-photo-c68efb.webp?v=1792793459","url":"https:\/\/lumaspecvision.com\/products\/lumaspec-ls-lxr-0354","provider":"LumaSpec Vision","version":"1.0","type":"link"}