{"product_id":"t-r3l3s1n-negative-1951-usaf-test-target-3-x-3","title":"T-R3L3S1N - Negative 1951 USAF Test Target, 3\" x 3\"","description":"\u003cp\u003eT-R3L3S1N - Negative 1951 USAF Test Target, 3\" x 3\"\u003c\/p\u003e\n\u003cul class=\"SGBullet\"\u003e\n\u003cli\u003e3\" x 3\" (76.2 mm x 76.2 mm) Targets Offer Resolution up to 4.4 µm per Line Pair\u003c\/li\u003e\n\u003cli\u003eDetermine Resolution of an Optical System\u003c\/li\u003e\n\u003cli\u003eConforms to MIL-S-150A Standard\u003c\/li\u003e\n\u003cli\u003ePositive, Negative, and Positive Reflective Targets Available\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eNOTES\/SPECIFICATIONS:\u003c\/p\u003e\n\u003cp\u003e1. MATERIAL: SODA LIME\u003c\/p\u003e\n\u003cp\u003e2. COATING: OD3 LOW-REFLECTIVITY CHROME\u003c\/p\u003e\n\u003cp\u003e3. FACE DIMENSION TOLERANCE: 0.5 mm\u003c\/p\u003e\n\u003cp\u003e4. THICKNESS TOLERANCE: 0.2 mm\u003c\/p\u003e\n\u003cp\u003e5. SURFACE FLATNESS: ≤15 µm\u003c\/p\u003e\n\u003cp\u003e6. OPTICAL DENSITY: ≥3.0 AT 430 nm\u003c\/p\u003e\n\u003cp\u003e7. R3L3S1N IS A NEGATIVE TEST TARGET WITH CLEAR PATTERN AND DARK BACKGROUND 8. THE PATTERN IS USAF 1951 TEST PATTERN WITH RESOLUTION FROM GROUP -2 TO GROUP 7\u003c\/p\u003e\n\u003ctable class=\"SpecTable\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth colspan=\"4\" 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-R3L3S1P\u003c\/td\u003e\n\u003ctd\u003eT-R3L3S1N\u003c\/td\u003e\n\u003ctd\u003eT-R3L3S1PR\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\u003ctd\u003eLR\u003cspan\u003e \u003c\/span\u003eChrome\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 Chrome\u003c\/td\u003e\n\u003ctd\u003eChrome\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSurface Flatness\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd colspan=\"2\"\u003e≤15 µm\u003c\/td\u003e\n\u003ctd\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\u003ctd\u003e-\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eChrome Reflectance\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd colspan=\"2\"\u003e-\u003c\/td\u003e\n\u003ctd\u003eLR\u003cspan\u003e \u003c\/span\u003eChrome: \u0026lt;10%\u003cbr\u003eChrome: \u0026gt;40%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e","brand":"Fosco Connect","offers":[{"title":"Default Title","offer_id":49083632353536,"sku":"T-R3L3S1N","price":595.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0388\/5331\/2557\/files\/20752-xl_1.jpg?v=1785202808","url":"https:\/\/alotechparts.com\/products\/t-r3l3s1n-negative-1951-usaf-test-target-3-x-3","provider":"Alo Tech Solutions","version":"1.0","type":"link"}