{"product_id":"t-r1l3s15n-ronchi-ruling-test-target-3-x-1-80-lpmm","title":"T-R1L3S15N - Ronchi Ruling Test Target, 3\" x 1\", 80 lp\/mm","description":"\u003cp\u003eT-R1L3S15N - Ronchi Ruling Test Target, 3\" x 1\", 80 lp\/mm\u003c\/p\u003e\n\u003cul class=\"SGBullet\"\u003e\n\u003cli\u003e3\" x 1\" (76.2 mm x 25.4 mm) Square Wave Ronchi Ruling Target\u003c\/li\u003e\n\u003cli\u003ePatterns with 10 lp\/mm, 20 lp\/mm, 40 lp\/mm, and 80 lp\/mm\u003c\/li\u003e\n\u003cli\u003eLarge 65 mm x 17 mm Clear Aperture\u003c\/li\u003e\n\u003cli\u003eDetermine Resolution, Field Distortion, and Parfocal Stability in an Optical System\u003c\/li\u003e\n\u003cli\u003eLow-Reflectivity, Vacuum-Sputtered Chrome on Soda Lime Glass\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eMATERIAL: SODA LIME\u003c\/p\u003e\n\u003cp\u003e2. COATING: OD3 LOW-REFLECTIVITY CHROME\u003c\/p\u003e\n\u003cp\u003e3. CLEAR APERTURE: 65 mm X 17 mm\u003c\/p\u003e\n\u003cp\u003e4. FACE DIMENSION TOLERANCE: 0.5 mm\u003c\/p\u003e\n\u003cp\u003e5. THICKNESS TOLERANCE: 0.2 mm\u003c\/p\u003e\n\u003cp\u003e6. SURFACE FLATNESS: ≤15 µm\u003c\/p\u003e\n\u003cp\u003e7. OPTICAL DENSITY: ≥3.0 AT 430 nm\u003c\/p\u003e\n\u003cp\u003e8. R1L3S15N IS A TEST TARGET WITH A DARK LOW-REFLECTIVITY CHROME PATTERN AND CLEAR BACKGROUND.\u003c\/p\u003e\n\u003cp\u003e9. THE PATTERN IS A CONSTANT-INTERVAL BAR AND SPACE SQUARE WAVE TARGET WITH 80 LP\/mm.\u003c\/p\u003e\n\u003ctable class=\"SpecTable\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth align=\"center\" colspan=\"2\"\u003eOptical Specifications\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePattern\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eLR Chrome\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\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSurface Flatness\u003c\/strong\u003e\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\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":49083630158080,"sku":"T-R1L3S15N","price":450.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0388\/5331\/2557\/files\/TTN246533-xl.jpg?v=1785202774","url":"https:\/\/alotechparts.com\/products\/t-r1l3s15n-ronchi-ruling-test-target-3-x-1-80-lpmm","provider":"Alo Tech Solutions","version":"1.0","type":"link"}