{"title":"Ronchi Rulings - Metric Measurements","description":"\u003cp\u003eEqual Line and Space patterns with varying frequencies and resulting pitch are standard images for multiple applications. Available as either Chrome on Glass or Etch and Filled on Glass, these Ronchi Rulings can be used to evaluate Vision, Optical and Metrology applications.\u003c\/p\u003e\n\u003cp\u003ePattern will qualify an image for resolution, Modulation Transfer Function (MTF), Depth of Field (DOF), and distortion. Used as a multiple knife-edge for testing a concave mirror in optics. Patterns useful in moire deflectometry, moire analysis, moire topography and more.\u003c\/p\u003e\n\u003cp\u003eMicroscopic metrology can use line displacement for direct measurements.\u003c\/p\u003e","products":[{"product_id":"ba108","title":"BA108","description":"\u003ch3 class=\"product-name\"\u003eRonchi 72 LPMM 0.5\" X 0.5\"\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eThe Ronchi Ruling pattern (also called a diffraction grating) consists of equally spaced alternating clear and opaque bars. The spatial frequency of the ruling is typically expressed in Line Pairs per MM or Line Pairs per Inch.\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003cspan\u003eThe pattern is printed in Chromium (OD \u0026gt; 3.0) on 1.5mm thick Soda Lime Glass and extends to the edge of the glass. The transmission tolerance for the 72 LPMM pattern is ±5%.\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0726\/7477\/1081\/files\/BA108_drawing.pdf?v=1766089941\"\u003e\u003cspan\u003eClick here to download drawing \u003c\/span\u003e\u003c\/a\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cspan class=\"red\"\u003eCall for pricing.\u003cbr\u003e\u003c\/span\u003e(800)798-3675\u003c\/span\u003e\u003c\/p\u003e","brand":"Max Levy","offers":[{"title":"Default Title","offer_id":45073253597321,"sku":null,"price":0.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0726\/7477\/1081\/files\/BA108image.jpg?v=1766089970"},{"product_id":"ba111","title":"BA111","description":"\u003ch3 class=\"product-name\"\u003eRonchi 80 LPMM 0.5\" X 0.5\"\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eThe Ronchi Ruling pattern (also called a diffraction grating) consists of equally spaced alternating clear and opaque bars. The spatial frequency of the ruling is typically expressed in Line Pairs per MM or Line Pairs per Inch.\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003cspan\u003eThe pattern is printed in Chromium (OD \u0026gt; 3.0) on 1.5mm thick Soda Lime Glass and extends to the edge of the glass. The transmission tolerance for the 80 LPMM pattern is ±5%.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0726\/7477\/1081\/files\/BA108_drawing.pdf?v=1766089941\"\u003eClick here to download drawing\u003c\/a\u003e \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cspan class=\"red\"\u003eCall for pricing.\u003cbr\u003e\u003c\/span\u003e(800)798-3675\u003c\/span\u003e\u003c\/p\u003e","brand":"Max Levy","offers":[{"title":"Default Title","offer_id":45073264574601,"sku":null,"price":0.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0726\/7477\/1081\/files\/BA111image.jpg?v=1766090605"},{"product_id":"ba112","title":"BA112","description":"\u003ch3 class=\"product-name\"\u003eRonchi 100 LPMM 0.5\" X 0.5\"\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eThe Ronchi Ruling pattern (also called a diffraction grating) consists of equally spaced alternating clear and opaque bars. The spatial frequency of the ruling is typically expressed in Line Pairs per MM or Line Pairs per Inch.\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003cspan\u003eThe pattern is printed in Chromium (OD \u0026gt; 3.0) on 1.5mm thick Soda Lime Glass and extends to the edge of the glass. The transmission tolerance for the 100 LPMM pattern is ±5%.\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0726\/7477\/1081\/files\/BA112_drawing.pdf?v=1766090809\"\u003eClick here to download drawing \u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan class=\"red\"\u003eCall for pricing.\u003cbr\u003e\u003c\/span\u003e\u003cspan\u003e\u003c\/span\u003e\u003cspan\u003e(800)798-3675\u003c\/span\u003e\u003c\/p\u003e","brand":"Max Levy","offers":[{"title":"Default Title","offer_id":45073270341769,"sku":null,"price":0.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0726\/7477\/1081\/files\/BA112image.jpg?v=1766090838"},{"product_id":"ba113","title":"BA113","description":"\u003ch3 class=\"product-name\"\u003eRonchi 120 LPMM 0.5\" X 0.5\"\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eThe Ronchi Ruling pattern (also called a diffraction grating) consists of equally spaced alternating clear and opaque bars. The spatial frequency of the ruling is typically expressed in Line Pairs per MM or Line Pairs per Inch.\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003cspan\u003eThe pattern is printed in Chromium (OD \u0026gt; 3.0) on 1.5mm thick Soda Lime Glass and extends to the edge of the glass. The transmission tolerance for the 120 LPMM pattern is ±7.5%.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0726\/7477\/1081\/files\/BA113_drawing.pdf?v=1766091088\"\u003e\u003cspan\u003eClick here to download drawing\u003c\/span\u003e\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cspan class=\"red\"\u003eCall for pricing.\u003cbr\u003e\u003c\/span\u003e(800)798-3675\u003c\/span\u003e\u003c\/p\u003e","brand":"Max Levy","offers":[{"title":"Default Title","offer_id":45073282203785,"sku":null,"price":0.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0726\/7477\/1081\/files\/BA113image.jpg?v=1766091079"},{"product_id":"ba117","title":"BA117","description":"\u003ch3 class=\"product-name\"\u003eRonchi 165 LPMM 0.5\" X 0.5\"\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eThe Ronchi Ruling pattern (also called a diffraction grating) consists of equally spaced alternating clear and opaque bars. The spatial frequency of the ruling is typically expressed in Line Pairs per MM or Line Pairs per Inch.\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003cspan\u003eThe pattern is printed in Chromium (OD \u0026gt; 3.0) on 1.5mm thick Soda Lime Glass and extends to the edge of the glass. The transmission tolerance for the 30 LPMM pattern is ±5%. \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0726\/7477\/1081\/files\/BA117_drawing.pdf?v=1766091224\"\u003e\u003cspan\u003eClick here to download drawing \u003c\/span\u003e\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cspan class=\"red\"\u003eCall for pricing.\u003cbr\u003e\u003c\/span\u003e(800)798-3675\u003c\/span\u003e\u003c\/p\u003e","brand":"Max Levy","offers":[{"title":"Default Title","offer_id":45073286398089,"sku":null,"price":0.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0726\/7477\/1081\/files\/BA117_2502e27c-235f-47bb-acf8-d4ba982fddfd.jpg?v=1766091384"},{"product_id":"ba121","title":"BA121","description":"\u003ch3 class=\"product-name\"\u003eRonchi 240 LPMM 0.5\" X 0.5\"\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eThe Ronchi Ruling pattern (also called a diffraction grating) consists of equally spaced alternating clear and opaque bars. The spatial frequency of the ruling is typically expressed in Line Pairs per MM or Line Pairs per Inch.\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003cspan\u003eThe pattern is printed in Chromium (OD \u0026gt; 3.0) on 1.5mm thick Soda Lime Glass and extends to the edge of the glass. The transmission tolerance for the 240 LPMM pattern is ±12.5%. \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0726\/7477\/1081\/files\/BA121_drawing.pdf?v=1766091492\"\u003e\u003cspan\u003eClick here to download drawing \u003c\/span\u003e\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cspan class=\"red\"\u003eCall for pricing.\u003cbr\u003e\u003c\/span\u003e(800)798-3675\u003c\/span\u003e\u003c\/p\u003e","brand":"Max Levy","offers":[{"title":"Default Title","offer_id":45073295409289,"sku":null,"price":0.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0726\/7477\/1081\/files\/BA121image.jpg?v=1766091525"},{"product_id":"ba120","title":"BA120","description":"\u003ch3 class=\"product-name\"\u003eRonchi 200 LPMM 0.5\" X 0.5\"\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eThe Ronchi Ruling pattern (also called a diffraction grating) consists of equally spaced alternating clear and opaque bars. The spatial frequency of the ruling is typically expressed in Line Pairs per MM or Line Pairs per Inch.\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003cspan\u003eThe pattern is printed in Chromium (OD \u0026gt; 3.0) on 1.5mm thick Soda Lime Glass and extends to the edge of the glass. The transmission tolerance for the 200 LPMM pattern is ±10%.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0726\/7477\/1081\/files\/BA120_drawing.pdf?v=1766091757\"\u003e\u003cspan\u003eClick here to download drawing \u003c\/span\u003e\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cspan class=\"red\"\u003eCall for pricing.\u003cbr\u003e\u003c\/span\u003e(800)798-3675\u003c\/span\u003e\u003c\/p\u003e","brand":"Max Levy","offers":[{"title":"Default Title","offer_id":45073303077001,"sku":null,"price":0.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0726\/7477\/1081\/files\/BA120image.jpg?v=1766091743"},{"product_id":"ba098","title":"BA098","description":"\u003ch3 class=\"product-name\"\u003eRonchi 5 LPMM 1\"X1\"\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eThe Ronchi Ruling pattern (also called a diffraction grating) consists of equally spaced alternating clear and opaque bars. The spatial frequency of the ruling is typically expressed in Line Pairs per MM or Line Pairs per Inch.\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003cspan\u003eThe pattern is printed in Chromium (OD \u0026gt; 3.0) on 1.5mm thick Soda Lime Glass and extends to the edge of the glass. The transmission tolerance for the 5 LPMM pattern is ±5%.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0726\/7477\/1081\/files\/BA098_drawing.pdf?v=1766091909\"\u003e\u003cspan\u003eClick here to download drawing\u003c\/span\u003e\u003c\/a\u003e\u003c\/p\u003e","brand":"Max Levy","offers":[{"title":"Default Title","offer_id":45073305600137,"sku":null,"price":138.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0726\/7477\/1081\/files\/BA098image.jpg?v=1766091937"},{"product_id":"ba094","title":"BA094","description":"\u003ch3 class=\"product-name\"\u003eRonchi 10 LPMM 1\"X1\"\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eChrome on 1.5mm (nom.) thick soda lime glass.\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eTransmission tolerance ±5%.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0726\/7477\/1081\/files\/BA094_drawing.pdf?v=1766092175\"\u003e\u003cspan\u003eClick here to download drawing\u003c\/span\u003e\u003c\/a\u003e\u003c\/p\u003e","brand":"Max Levy","offers":[{"title":"Default Title","offer_id":45073310679177,"sku":null,"price":150.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0726\/7477\/1081\/files\/BA094image.jpg?v=1766092202"},{"product_id":"ba104","title":"BA104","description":"\u003ch3 class=\"product-name\"\u003eRonchi 30 LPMM 1\" X 1\"\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eThe Ronchi Ruling pattern (also called a diffraction grating) consists of equally spaced alternating clear and opaque bars. The spatial frequency of the ruling is typically expressed in Line Pairs per MM or Line Pairs per Inch.\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003cspan\u003eThe pattern is printed in Chromium (OD \u0026gt; 3.0) on 1.5mm thick Soda Lime Glass and extends to the edge of the glass. The transmission tolerance for the 30 LPMM pattern is ±5%.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0726\/7477\/1081\/files\/BA104_drawing.pdf?v=1766157176\"\u003e\u003cspan\u003eClick here to download drawing\u003c\/span\u003e\u003c\/a\u003e\u003c\/p\u003e","brand":"Max Levy","offers":[{"title":"Default Title","offer_id":45074746212489,"sku":null,"price":198.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0726\/7477\/1081\/files\/BA104image.jpg?v=1766157204"},{"product_id":"ba100","title":"BA100","description":"\u003ch3 class=\"product-name\"\u003eRonchi 50 LPMM 1\"X1\"\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eThe Ronchi Ruling pattern (also called a diffraction grating) consists of equally spaced alternating clear and opaque bars. The spatial frequency of the ruling is typically expressed in Line Pairs per MM or Line Pairs per Inch.\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003cspan\u003eThe pattern is printed in Chromium (OD \u0026gt; 3.0) on 1.5mm thick Soda Lime Glass and extends to the edge of the glass. The transmission tolerance for the 50 LPMM pattern is ±5%.\u003c\/span\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0726\/7477\/1081\/files\/BA100_drawing.pdf?v=1766159522\"\u003eClick here to download drawing\u003c\/a\u003e\u003c\/p\u003e","brand":"Max Levy","offers":[{"title":"Default Title","offer_id":45074850316425,"sku":null,"price":252.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0726\/7477\/1081\/files\/BA100image.jpg?v=1766159510"},{"product_id":"ba106","title":"BA106","description":"\u003ch3 class=\"product-name\"\u003eRonchi 60 LPMM 1\" X 1\"\u003c\/h3\u003e\n\u003cp\u003eThe Ronchi Ruling pattern (also called a diffraction grating) consists of equally spaced alternating clear and opaque bars. The spatial frequency of the ruling is typically expressed in Line Pairs per MM or Line Pairs per Inch.\u003cbr\u003e\u003cbr\u003eThe pattern is printed in Chromium (OD \u0026gt; 3.0) on 1.5mm thick Soda Lime Glass and extends to the edge of the glass. The transmission tolerance for the 60 LPMM pattern is ±5%.\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0726\/7477\/1081\/files\/BA106_drawing.pdf?v=1766162679\"\u003eClick here to download drawing\u003c\/a\u003e\u003c\/p\u003e","brand":"Max Levy","offers":[{"title":"Default Title","offer_id":45074952814729,"sku":null,"price":262.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0726\/7477\/1081\/files\/BA106image.jpg?v=1766162630"},{"product_id":"ba109","title":"BA109","description":"\u003ch3 class=\"product-name\"\u003eRonchi 72 LPMM 1\" X 1\"\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eThe Ronchi Ruling pattern (also called a diffraction grating) consists of equally spaced alternating clear and opaque bars. The spatial frequency of the ruling is typically expressed in Line Pairs per MM or Line Pairs per Inch.\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003cspan\u003eThe pattern is printed in Chromium (OD \u0026gt; 3.0) on 1.5mm thick Soda Lime Glass and extends to the edge of the glass. The transmission tolerance for the 72 LPMM pattern is ±5%.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0726\/7477\/1081\/files\/BA109_drawing.pdf?v=1766162820\"\u003e\u003cspan\u003eClick here to download drawing\u003c\/span\u003e\u003c\/a\u003e\u003c\/p\u003e","brand":"Max Levy","offers":[{"title":"Default Title","offer_id":45074954518665,"sku":null,"price":281.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0726\/7477\/1081\/files\/BA109image.jpg?v=1766162850"},{"product_id":"ba082","title":"BA082","description":"\u003ch3 class=\"product-name\"\u003eRonchi 80 LPMM 1\"X1\"\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eChrome on 1.5mm (nom.) thick soda lime glass.\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eTransmission tolerance ±5%.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0726\/7477\/1081\/files\/BA082_drawing.pdf?v=1766163001\"\u003e\u003cspan\u003eClick here to download drawing\u003c\/span\u003e\u003c\/a\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/p\u003e","brand":"Max Levy","offers":[{"title":"Default Title","offer_id":45074955141257,"sku":null,"price":293.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0726\/7477\/1081\/files\/BA082.jpg?v=1766162996"},{"product_id":"ba102","title":"BA102","description":"\u003ch3 class=\"product-name\"\u003eRonchi 100 LPMM 1\"X1\"\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eThe Ronchi Ruling pattern (also called a diffraction grating) consists of equally spaced alternating clear and opaque bars. The spatial frequency of the ruling is typically expressed in Line Pairs per MM or Line Pairs per Inch.\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003cspan\u003eThe pattern is printed in Chromium (OD \u0026gt; 3.0) on 1.5mm thick Soda Lime Glass and extends to the edge of the glass. The transmission tolerance for the 100 LPMM pattern is ±5%.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0726\/7477\/1081\/files\/BA102_drawing.pdf?v=1766163146\"\u003e\u003cspan\u003eClick here to download drawing\u003c\/span\u003e\u003c\/a\u003e\u003c\/p\u003e","brand":"Max Levy","offers":[{"title":"Default Title","offer_id":45074956091529,"sku":null,"price":309.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0726\/7477\/1081\/files\/BA102imahe.jpg?v=1766163174"},{"product_id":"ba085","title":"BA085","description":"\u003ch3 class=\"product-name\"\u003eRonchi 120 LPMM 1\"X1\"\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eChrome on 1.5mm (nom.) thick soda lime glass.\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eTransmission tolerance ±7.5%.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0726\/7477\/1081\/files\/BA085_drawing.pdf?v=1766163298\"\u003e\u003cspan\u003eClick here to download drawing \u003c\/span\u003e\u003c\/a\u003e\u003c\/p\u003e","brand":"Max Levy","offers":[{"title":"Default Title","offer_id":45074975228041,"sku":null,"price":340.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0726\/7477\/1081\/files\/BA085image.jpg?v=1766163318"},{"product_id":"ba088","title":"BA088","description":"\u003ch3 class=\"product-name\"\u003eRonchi 200 LPMM 1\"X1\"\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eChrome on 1.5mm (nom.) thick soda lime glass.\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eTransmission tolerance ±10%.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0726\/7477\/1081\/files\/BA088_drawing.pdf?v=1766163430\"\u003e\u003cspan\u003eClick here to download drawing\u003c\/span\u003e\u003c\/a\u003e\u003c\/p\u003e","brand":"Max Levy","offers":[{"title":"Default Title","offer_id":45074992103561,"sku":null,"price":463.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0726\/7477\/1081\/files\/BA088image.jpg?v=1766164067"},{"product_id":"ba091","title":"BA091","description":"\u003ch3 class=\"product-name\"\u003eRonchi 240 LPMM 1\"X1\"\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eChrome on 1.5mm (nom.) thick soda lime glass.\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eTransmission tolerance ±12.5%.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0726\/7477\/1081\/files\/BA091_drawing.pdf?v=1766164310\"\u003eClick here to download drawing\u003c\/a\u003e \u003c\/span\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/p\u003e","brand":"Max Levy","offers":[{"title":"Default Title","offer_id":45074994364553,"sku":null,"price":347.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0726\/7477\/1081\/files\/BA091image.jpg?v=1766164343"},{"product_id":"ba099","title":"BA099","description":"\u003ch3 class=\"product-name\"\u003eRonchi 5 LPMM 2\"X2\"\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eThe Ronchi Ruling pattern (also called a diffraction grating) consists of equally spaced alternating clear and opaque bars. The spatial frequency of the ruling is typically expressed in Line Pairs per MM or Line Pairs per Inch.\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003cspan\u003eThe pattern is printed in Chromium (OD \u0026gt; 3.0) on 1.5mm thick Soda Lime Glass and extends to the edge of the glass. The transmission tolerance for the 5 LPMM pattern is ±5%.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0726\/7477\/1081\/files\/BA099_drawing.pdf?v=1766164463\"\u003e\u003cspan\u003eClick here to download drawing\u003c\/span\u003e\u003c\/a\u003e\u003c\/p\u003e","brand":"Max Levy","offers":[{"title":"Default Title","offer_id":45074995445897,"sku":null,"price":191.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0726\/7477\/1081\/files\/BA099image.jpg?v=1766164488"},{"product_id":"ba095","title":"BA095","description":"\u003ch3 class=\"product-name\"\u003eRonchi 10 LPMM 2\"X2\"\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eChrome on 1.5mm (nom.) thick soda lime glass.\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eTransmission tolerance ±5%.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0726\/7477\/1081\/files\/BA095_drawing.pdf?v=1766165364\"\u003e\u003cspan\u003eClick here to download drawing\u003c\/span\u003e\u003c\/a\u003e\u003c\/p\u003e","brand":"Max Levy","offers":[{"title":"Default Title","offer_id":45075002556553,"sku":null,"price":210.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0726\/7477\/1081\/files\/BA095image.jpg?v=1766165404"},{"product_id":"ba078","title":"BA078","description":"\u003ch3 class=\"product-name\"\u003eRonchi 20 LPMM 2\"X2\"\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eChrome on 1.5mm (nom.) thick soda lime glass.\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eTransmission tolerance ±5%.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0726\/7477\/1081\/files\/BA078_drawing.pdf?v=1766165619\"\u003e\u003cspan\u003eClick here to download drawing\u003c\/span\u003e\u003c\/a\u003e\u003c\/p\u003e","brand":"Max Levy","offers":[{"title":"Default Title","offer_id":45075005374601,"sku":null,"price":268.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0726\/7477\/1081\/files\/BA078image.jpg?v=1766165687"},{"product_id":"ba105","title":"BA105","description":"\u003ch3 class=\"product-name\"\u003eRonchi 30 LPMM 2\" x 2\"\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eThe Ronchi Ruling pattern (also called a diffraction grating) consists of equally spaced alternating clear and opaque bars. The spatial frequency of the ruling is typically expressed in Line Pairs per MM or Line Pairs per Inch.\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003cspan\u003eThe pattern is printed in Chromium (OD \u0026gt; 3.0) on 1.5mm thick Soda Lime Glass and extends to the edge of the glass. The transmission tolerance for the 30 LPMM pattern is ±5%.\u003c\/span\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0726\/7477\/1081\/files\/BA105_drawing.pdf?v=1766166242\"\u003eClick here to download drawing\u003c\/a\u003e\u003c\/p\u003e","brand":"Max Levy","offers":[{"title":"Default Title","offer_id":45075016974473,"sku":null,"price":327.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0726\/7477\/1081\/files\/BA105image.jpg?v=1766166282"},{"product_id":"ba081","title":"BA081","description":"\u003ch3 class=\"product-name\"\u003eRonchi 40 LPMM 2\"X2\"\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eChrome on 1.5mm (nom.) thick soda lime glass.\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eTransmission tolerance ±5%.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0726\/7477\/1081\/files\/BA081_drawing.pdf?v=1766166387\"\u003e\u003cspan\u003eClick here to download drawing\u003c\/span\u003e\u003c\/a\u003e\u003c\/p\u003e","brand":"Max Levy","offers":[{"title":"Default Title","offer_id":45075018383497,"sku":null,"price":405.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0726\/7477\/1081\/files\/BA081image.jpg?v=1766166421"},{"product_id":"ba101","title":"BA101","description":"\u003ch3 class=\"product-name\"\u003eRonchi 50 LPMM 2\"X2\"\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eThe Ronchi Ruling pattern (also called a diffraction grating) consists of equally spaced alternating clear and opaque bars. The spatial frequency of the ruling is typically expressed in Line Pairs per MM or Line Pairs per Inch.\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003cspan\u003eThe pattern is printed in Chromium (OD \u0026gt; 3.0) on 1.5mm thick Soda Lime Glass and extends to the edge of the glass. The transmission tolerance for the 50 LPMM pattern is ±5%.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0726\/7477\/1081\/files\/BA101_drawing.pdf?v=1766166554\"\u003e\u003cspan\u003eClick here to download drawing\u003c\/span\u003e\u003c\/a\u003e\u003c\/p\u003e","brand":"Max Levy","offers":[{"title":"Default Title","offer_id":45075027722377,"sku":null,"price":452.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0726\/7477\/1081\/files\/BA101image.jpg?v=1766166577"},{"product_id":"ba107","title":"BA107","description":"\u003ch3 class=\"product-name\"\u003eRonchi 60 LPMM 2\" X 2\"\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eThe Ronchi Ruling pattern (also called a diffraction grating) consists of equally spaced alternating clear and opaque bars. The spatial frequency of the ruling is typically expressed in Line Pairs per MM or Line Pairs per Inch.\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003cspan\u003eThe pattern is printed in Chromium (OD \u0026gt; 3.0) on 1.5mm thick Soda Lime Glass and extends to the edge of the glass. The transmission tolerance for the 60 LPMM pattern is ±5%.\u003c\/span\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0726\/7477\/1081\/files\/BA107_drawing.pdf?v=1766166709\"\u003eClick here to download drawing\u003c\/a\u003e\u003c\/p\u003e","brand":"Max Levy","offers":[{"title":"Default Title","offer_id":45075036864649,"sku":null,"price":498.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0726\/7477\/1081\/files\/BA107image.jpg?v=1766166753"},{"product_id":"ba084","title":"BA084","description":"\u003ch3 class=\"product-name\"\u003eRonchi 80 LPMM 2\"X2\"\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eChrome on 1.5mm (nom.) thick soda lime glass.\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eTransmission tolerance ±5%.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0726\/7477\/1081\/files\/BA084_drawing.pdf?v=1766166877\"\u003e\u003cspan\u003eClick here to download drawing\u003c\/span\u003e\u003c\/a\u003e\u003c\/p\u003e","brand":"Max Levy","offers":[{"title":"Default Title","offer_id":45075063570569,"sku":null,"price":593.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0726\/7477\/1081\/files\/BA084image.jpg?v=1766166931"},{"product_id":"ba087","title":"BA087","description":"\u003ch3 class=\"product-name\"\u003eRonchi 120 LPMM 2\"X2\"\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eChrome on 1.5mm (nom.) thick soda lime glass.\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eTransmission tolerance ±7.5%.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0726\/7477\/1081\/files\/BA087_drawing.pdf?v=1766167065\"\u003e\u003cspan\u003eClick here to download drawing\u003c\/span\u003e\u003c\/a\u003e\u003c\/p\u003e","brand":"Max Levy","offers":[{"title":"Default Title","offer_id":45075065077897,"sku":null,"price":701.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0726\/7477\/1081\/files\/BA087image.jpg?v=1766167090"},{"product_id":"ba116","title":"BA116","description":"\u003ch3 class=\"product-name\"\u003eRonchi 145 LPMM 2\" X 2\"\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eThe Ronchi Ruling pattern (also called a diffraction grating) consists of equally spaced alternating clear and opaque bars. The spatial frequency of the ruling is typically expressed in Line Pairs per MM or Line Pairs per Inch.\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003cspan\u003eThe pattern is printed in Chromium (OD \u0026gt; 3.0) on 1.5mm thick Soda Lime Glass and extends to the edge of the glass. The transmission tolerance for the 145 LPMM pattern is ±7.5%.\u003c\/span\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0726\/7477\/1081\/files\/BA116_drawing.pdf?v=1766167210\"\u003eClick here to download drawing\u003c\/a\u003e\u003c\/p\u003e","brand":"Max Levy","offers":[{"title":"Default Title","offer_id":45075065733257,"sku":null,"price":306.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0726\/7477\/1081\/files\/BA116image.jpg?v=1766167240"},{"product_id":"ba119","title":"BA119","description":"\u003ch3 class=\"product-name\"\u003eRonchi 165 LPMM 2\" X 2\"\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eThe Ronchi Ruling pattern (also called a diffraction grating) consists of equally spaced alternating clear and opaque bars. The spatial frequency of the ruling is typically expressed in Line Pairs per MM or Line Pairs per Inch.\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003cspan\u003eThe pattern is printed in Chromium (OD \u0026gt; 3.0) on 1.5mm thick Soda Lime Glass and extends to the edge of the glass. The transmission tolerance for the 165 LPMM pattern is ±10%.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0726\/7477\/1081\/files\/BA119_drawing.pdf?v=1766167368\"\u003eClick here to download drawing\u003c\/a\u003e\u003c\/p\u003e","brand":"Max Levy","offers":[{"title":"Default Title","offer_id":45075073073289,"sku":null,"price":328.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0726\/7477\/1081\/files\/BA119image.jpg?v=1766167717"},{"product_id":"ba090","title":"BA090","description":"\u003ch3 class=\"product-name\"\u003eRonchi 200 LPMM 2\"X2\"\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eChrome on 1.5mm (nom.) thick soda lime glass.\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eTransmission tolerance ±10%.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0726\/7477\/1081\/files\/BA090_drawing.pdf?v=1766167833\"\u003e\u003cspan\u003eClick here to download drawing\u003c\/span\u003e\u003c\/a\u003e\u003c\/p\u003e","brand":"Max Levy","offers":[{"title":"Default Title","offer_id":45075080544393,"sku":null,"price":351.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0726\/7477\/1081\/files\/BA090image_6107b70b-cb7e-44c8-b95a-86776bf73a30.jpg?v=1766167975"},{"product_id":"ba093","title":"BA093","description":"\u003ch3 class=\"product-name\"\u003eRonchi 240 LPMM 2\"X2\"\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eChrome on 1.5mm (nom.) thick soda lime glass.\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eTransmission tolerance ±12.5%.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eC\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0726\/7477\/1081\/files\/BA093_drawing.pdf?v=1766168101\"\u003elick here to download drawing\u003c\/a\u003e\u003c\/span\u003e\u003c\/p\u003e","brand":"Max Levy","offers":[{"title":"Default Title","offer_id":45075094700169,"sku":null,"price":375.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0726\/7477\/1081\/files\/BA093image.jpg?v=1766168137"},{"product_id":"ba096","title":"BA096","description":"\u003ch3 class=\"product-name\"\u003eRonchi 200 LPMM 4\"X4\"\u003cspan\u003e\u003c\/span\u003e\n\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eChrome on 1.5mm (nom.) thick soda lime glass.\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eTransmission tolerance ±10%. \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0726\/7477\/1081\/files\/BA096_drawing.pdf?v=1766169062\"\u003e\u003cspan\u003eClick here to download drawing\u003c\/span\u003e\u003c\/a\u003e\u003c\/p\u003e","brand":"Max Levy","offers":[{"title":"Default Title","offer_id":45075111510153,"sku":null,"price":917.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0726\/7477\/1081\/files\/BA096image.jpg?v=1766169087"},{"product_id":"ba097","title":"BA097","description":"\u003ch3 class=\"product-name\"\u003eRonchi 240 LPMM 4\"X4\"\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eChrome on 1.5mm (nom.) thick soda lime glass.\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eTransmission tolerance ±12.5%.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0726\/7477\/1081\/files\/BA097_drawing.pdf?v=1766169198\"\u003e\u003cspan\u003eClick here to download drawing\u003c\/span\u003e\u003c\/a\u003e\u003c\/p\u003e","brand":"Max Levy","offers":[{"title":"Default Title","offer_id":45075129368713,"sku":null,"price":981.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0726\/7477\/1081\/files\/BA097image.jpg?v=1766169229"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0726\/7477\/1081\/collections\/Ronchi_Rulings.jpg?v=1764684609","url":"https:\/\/maxlevy.com\/collections\/ronchi-rulings-imperial-measurements-copy.oembed","provider":"Max Levy","version":"1.0","type":"link"}