{"product_id":"t-r1l1s1p-positive-combined-resolution-and-distortion-test-target-18-mm-square","title":"T-R1L1S1P - Positive Combined Resolution and Distortion Test Target, 18 mm Square","description":"\u003cp\u003eT-R1L1S1P - Positive Combined Resolution and Distortion Test Target, 18 mm Square\u003c\/p\u003e\n\u003cul class=\"SGBullet\"\u003e\n\u003cli\u003eMeasure Image Distortion, Astigmatism, and Other Aberrations\u003c\/li\u003e\n\u003cli\u003e18 mm (0.71\") Square, 1.5 mm Thick Target\u003c\/li\u003e\n\u003cli\u003eDetermine Resolution of an Optical System\u003c\/li\u003e\n\u003cli\u003eIncludes 1951 USAF Pattern, Sector Star, Concentric Circles, Grids, and Ronchi Rulings\u003c\/li\u003e\n\u003cli\u003ePositive and Negative Targets Available\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ctable class=\"SpecTable\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth colspan=\"3\" align=\"center\"\u003eOptical Specifications\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr class=\"subhead\"\u003e\n\u003ctd\u003eItem #\u003c\/td\u003e\n\u003ctd\u003eT-R1L1S1P\u003c\/td\u003e\n\u003ctd\u003eT-R1L1S1N\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePattern\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eLR\u003cspan\u003e \u003c\/span\u003eChrome\u003c\/td\u003e\n\u003ctd\u003eClear\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBackground\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eClear\u003c\/td\u003e\n\u003ctd\u003eLR\u003cspan\u003e \u003c\/span\u003eChrome\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cb\u003eSurface Flatness\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd colspan=\"2\"\u003e≤15 µm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eChrome Optical Density\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd colspan=\"2\"\u003e≥3.0\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e","brand":"Fosco Connect","offers":[{"title":"Default Title","offer_id":49083631370496,"sku":"T-R1L1S1P","price":1606.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0388\/5331\/2557\/files\/QTN005541-xl.jpg?v=1785202791","url":"https:\/\/alotechparts.com\/products\/t-r1l1s1p-positive-combined-resolution-and-distortion-test-target-18-mm-square","provider":"Alo Tech Solutions","version":"1.0","type":"link"}