{"product_id":"t-r1l3s5p-positive-combined-resolution-and-distortion-test-target-3-x-1","title":"T-R1L3S5P - Positive Combined Resolution and Distortion Test Target, 3\" x 1\"","description":"\u003cp\u003eT-R1L3S5P - Positive Combined Resolution and Distortion Test Target, 3\" x 1\"\u003c\/p\u003e\n\u003ctable class=\"SpecTable\" cellspacing=\"0\" width=\"100%\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth width=\"12%\" align=\"left\"\u003eTarget Feature\u003c\/th\u003e\n\u003cth width=\"38%\" align=\"center\"\u003eDetails\u003c\/th\u003e\n\u003cth width=\"12%\" align=\"left\"\u003eTarget Feature\u003c\/th\u003e\n\u003cth width=\"38%\" align=\"center\"\u003eDetails\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"subhead\" align=\"left\"\u003eNBS 1963A\u003c\/td\u003e\n\u003ctd align=\"center\"\u003eFrequencies from 4.5 cycles\/mm to 228 cycles\/mm (See List Above)\u003c\/td\u003e\n\u003ctd class=\"subhead\" align=\"left\"\u003eConcentric Circles\u003c\/td\u003e\n\u003ctd align=\"center\"\u003e10 Circles with Radii from 100 µm to 1000 µm in 100 µm Intervals\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"subhead\" align=\"left\"\u003eDistortion Grid (Squares)\u003c\/td\u003e\n\u003ctd align=\"center\"\u003e3 Grids: 100 lp\/mm, 150 lp\/mm, 200 lp\/mm\u003c\/td\u003e\n\u003ctd class=\"subhead\" align=\"left\"\u003eFixed Ronchi Rulings\u003c\/td\u003e\n\u003ctd align=\"center\"\u003e3 Rulings:100 lp\/mm, 150 lp\/mm, and 200 lp\/mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"subhead\" align=\"left\"\u003eDistortion Grid (Dots)\u003c\/td\u003e\n\u003ctd align=\"center\"\u003e3 Grids: 400 µm Pitch of Ø80 µm Dots,\u003cbr\u003e200 µm Pitch of Ø 40 µm Dots, 100 µm Pitch of Ø20 µm Dots\u003c\/td\u003e\n\u003ctd class=\"subhead\" align=\"left\"\u003eVariable Ronchi Rulings\u003c\/td\u003e\n\u003ctd align=\"center\"\u003e20 Rulings (Each 1 mm x 1 mm): 10 lp\/mm to 200 lp\/mm in\u003cspan\u003e \u003c\/span\u003e\u003cnobr\u003e10 lp\/mm Intervals\u003c\/nobr\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"subhead\" align=\"left\"\u003eTwo-Point Resolution Dots\u003c\/td\u003e\n\u003ctd align=\"center\"\u003eØ25 µm, Ø20 µm, Ø15 µm, Ø12.5 µm, Ø10 µm, Ø7.5 µm, and Ø5 µm\u003c\/td\u003e\n\u003ctd class=\"subhead\" align=\"left\"\u003ePinholes\u003c\/td\u003e\n\u003ctd align=\"center\"\u003eØ25 µm, Ø20 µm, Ø15 µm, Ø12.5 µm, Ø10 µm, Ø7.5 µm, and Ø5 µm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"subhead\" align=\"left\"\u003eInterdigitated Lines\u003c\/td\u003e\n\u003ctd align=\"center\"\u003e6.25 lp\/mm, 12.5 lp\/mm, 25 lp\/mm, 50 lp\/mm, 100 lp\/mm,\u003cspan\u003e \u003c\/span\u003e\u003cnobr\u003eand 200 lp\/mm\u003c\/nobr\u003e\n\u003c\/td\u003e\n\u003ctd class=\"subhead\" align=\"left\"\u003eMicrometers\u003c\/td\u003e\n\u003ctd align=\"center\"\u003e3 Rulers: 10 mm Scale with 50 µm Divs, 1 mm Scale with 10 µm Divs, and 1mm x 1 mm XY Scale with 50 µm Divs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"subhead\" align=\"left\"\u003eSector Star\u003c\/td\u003e\n\u003ctd colspan=\"3\" align=\"center\"\u003e36 Bars through 360°, \u003cspan\u003e50 µm Radius Center Circle, and Ten Concentric Circles with Radii from 100 µm to 500 µm in 50 µm Intervals\u003c\/span\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e \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\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\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\n\u003cp\u003e \u003c\/p\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. R1L3S5P IS A POSITIVE TEST TARGET WITH DARK PATTERN AND CLEAR BACKGROUND. 8. PATTERNS ARE NBS 1963, CROSS RULER, STAGE RULER, SECTOR STAR, PINHOLES, DOTS, INTERDIGITATED LINE, VARIABLEFREQUENCY GRATING, FIXED RONCHI RULINGS, RONCHI RULING GRID, DISTORTION TARGET, BLACK BOX, CONCENTRIC CIRCLES\u003c\/p\u003e\n\u003cul class=\"SGBullet\"\u003e\n\u003cli\u003e3\" x 1\" (76.2 mm x 25.4 mm) Target\u003c\/li\u003e\n\u003cli\u003eIncludes NBS 1963A Pattern, Sector Star, Concentric Circles, Grids, Ronchi Rulings, and More (See Table Below)\u003c\/li\u003e\n\u003cli\u003eDetermine Resolution of an Optical System\u003c\/li\u003e\n\u003cli\u003eMeasure Image Distortion, Astigmatism, and Other Aberrations\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"Fosco Connect","offers":[{"title":"Default Title","offer_id":49083631304960,"sku":"T-R1L3S5P","price":2762.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0388\/5331\/2557\/files\/QTN004354-xl.jpg?v=1785202790","url":"https:\/\/alotechparts.com\/products\/t-r1l3s5p-positive-combined-resolution-and-distortion-test-target-3-x-1","provider":"Alo Tech Solutions","version":"1.0","type":"link"}