{"product_id":"t-r1l1s3p-positive-sector-star-test-target-1-x-1-72-bars","title":"T-R1L1S3P - Positive Sector Star Test Target, 1\" x 1\", 72 Bars","description":"\u003cp\u003eT-R1L1S3P - Positive Sector Star Test Target, 1\" x 1\", 72 Bars\u003c\/p\u003e\n\u003cul class=\"SGBullet\"\u003e\n\u003cli\u003e1\" x 1\" (25.4 mm x 25.4 mm) Positive Sector Star Targets\u003c\/li\u003e\n\u003cli\u003eDetermine Resolution of an Optical System\u003c\/li\u003e\n\u003cli\u003eLow-Reflectivity, Vacuum-Sputtered Chrome on Soda Lime Glass\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003ePattern Low-Reflectivity Chrome\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eBackground Clear\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eSurface Flatness ≤15 µm\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eChrome Optical Density ≥3.0 at 430 nm\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003ePattern Outer Diameter 10 mm\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eCenter Circle Diameter 200 µm\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eNumber of Bars 72 Over 360°\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eResolution at Outer Diameter 2.30 lp\/mm\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eResolution at Center Circle 115 lp\/mm\u003c\/span\u003e\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: 0.3 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. R1L1S3P IS A POSITIVE TEST TAGET WITH DARK PATTERN AND CLEAR BACKGROUND\u003c\/p\u003e\n\u003cp\u003e8. PATTERN SIZE: WEDGE SHAPED SEGMENT WITH 72 EQUAL BAR AND SPACE WIDTHS (5 DEGREES PER CYCLE OR 2.5 DEGREES PER SPOKE) OVER A 360 DEGREES CIRCUMFERENCE CIRCLE. OVERALL IMAGE SIZE 10mm DIAMETER. THE SMALLEST RESOLVED GRATING PITCH AT THE CENTER\u003c\/p\u003e","brand":"Fosco Connect","offers":[{"title":"Default Title","offer_id":49083629830400,"sku":"T-R1L1S3P","price":676.6,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0388\/5331\/2557\/files\/QTN005784-xl.jpg?v=1785202769","url":"https:\/\/alotechparts.com\/products\/t-r1l1s3p-positive-sector-star-test-target-1-x-1-72-bars","provider":"Alo Tech Solutions","version":"1.0","type":"link"}