{"title":"Optolong LRGB \u0026 Colour Sets","description":"\u003cp\u003eOptolong lrgb \u0026amp; colour sets. Part of \u003ca href=\"\/collections\/optolong\"\u003eOptolong\u003c\/a\u003e.\u003c\/p\u003e","products":[{"product_id":"lrgb-deep-sky-imaging-filter-1-25","title":"LRGB Deep Sky Imaging Filter - 1.25\"","description":"\u003cp style=\"margin: 0px 0px 15px; font-family: Arial, sans-serif; font-size: 14.6667px; background-color: rgb(255, 255, 255);\"\u003e\u003cspan style=\"font-family: arial, helvetica, sans-serif; font-size: 12pt;\"\u003eThe LRGB filter set is designed for maximum contrast and with extremely high gradients for clear differentiation of colors. The LRGB filter set divides the spectrum into its components red, green, blue and luminance. \u003c\/span\u003e\u003cspan style=\"font-family: arial, helvetica, sans-serif; font-size: 12pt;\"\u003eOIII emission overlaps on blue and green filters with maximum transmission to allow high efficiency and natural color imaging. Gap between green and red filters serves to block out the primary Sodium light pollution line at 589nm and improves color balance and separation.\u003c\/span\u003e\u003c\/p\u003e\u003cp style=\"margin: 0px 0px 15px; font-family: Arial, sans-serif; font-size: 14.6667px; background-color: rgb(255, 255, 255);\"\u003e\u003cspan style=\"font-size: 12pt;\"\u003eFine-optically polishing for double-sides—— Ensure accurate \u003cspan style=\"color: rgb(25, 31, 37); font-family: arial, helvetica, sans-serif; line-height: 32px; text-align: justify;\"\u003e?\/4 wavefront and \u0026lt;30 seconds parallalism over the both surfaces\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\u003cp style=\"margin: 0px 0px 15px; font-family: Arial, sans-serif; font-size: 14.6667px; background-color: rgb(255, 255, 255);\"\u003e\u003cspan style=\"font-size: 12pt;\"\u003eUltrasonic wave cleaning substrate with purified water—— Cleanup by 13 purified water tank to remove inpurities and dust effectively\u003c\/span\u003e\u003c\/p\u003e\u003cp style=\"margin: 0px 0px 15px; font-family: Arial, sans-serif; font-size: 14.6667px; background-color: rgb(255, 255, 255);\"\u003e\u003cspan style=\"font-size: 12pt;\"\u003eIro source assisted coating—— For durability and resistance to scratching, as well as stability on CWL (central wavelength) no deviation affected by temperature change.\u003c\/span\u003e\u003c\/p\u003e\u003cp style=\"margin: 0px 0px 15px; font-family: Arial, sans-serif; font-size: 14.6667px; background-color: rgb(255, 255, 255);\"\u003e\u003cspan style=\"font-size: 12pt;\"\u003eConstantly stringent quality testing processes—— Each filter was tested by spectrophotometer and laser interferometer testing spectrum and wavefront to ensure market filter is qualified product\u003c\/span\u003e\u003c\/p\u003e\u003cp style=\"margin: 0px 0px 15px; font-family: Arial, sans-serif; font-size: 14.6667px; background-color: rgb(255, 255, 255);\"\u003e\u003cspan style=\"font-size: 12pt;\"\u003eOptolong will spare no effort to serve our customer with outstanding quality products and best servise!\u003c\/span\u003e\u003c\/p\u003e","brand":"Optolong Filters","offers":[{"title":"Default Title","offer_id":44013530513519,"sku":"O-LRGB-1","price":339.99,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/LRGB1__32345.jpg?v=1766555033"},{"product_id":"lrgb-deep-sky-imaging-filter-2","title":"LRGB Deep Sky Imaging Filter - 2\"","description":"\u003cp style=\"margin: 0px 0px 15px; font-family: Arial, sans-serif; font-size: 14.6667px; background-color: rgb(255, 255, 255);\"\u003e\u003cspan style=\"font-family: arial, helvetica, sans-serif; font-size: 12pt;\"\u003eThe LRGB filter set is designed for maximum contrast and with extremely high gradients for clear differentiation of colors. The LRGB filter set divides the spectrum into its components red, green, blue and luminance. \u003c\/span\u003e\u003cspan style=\"font-family: arial, helvetica, sans-serif; font-size: 12pt;\"\u003eOIII emission overlaps on blue and green filters with maximum transmission to allow high efficiency and natural color imaging. Gap between green and red filters serves to block out the primary Sodium light pollution line at 589nm and improves color balance and separation.\u003c\/span\u003e\u003c\/p\u003e\u003cp style=\"margin: 0px 0px 15px; font-family: Arial, sans-serif; font-size: 14.6667px; background-color: rgb(255, 255, 255);\"\u003e\u003cspan style=\"font-size: 12pt;\"\u003eFine-optically polishing for double-sides—— Ensure accurate \u003cspan style=\"color: rgb(25, 31, 37); font-family: arial, helvetica, sans-serif; line-height: 32px; text-align: justify;\"\u003e?\/4 wavefront and \u0026lt;30 seconds parallalism over the both surfaces\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\u003cp style=\"margin: 0px 0px 15px; font-family: Arial, sans-serif; font-size: 14.6667px; background-color: rgb(255, 255, 255);\"\u003e\u003cspan style=\"font-size: 12pt;\"\u003eUltrasonic wave cleaning substrate with purified water—— Cleanup by 13 purified water tank to remove inpurities and dust effectively\u003c\/span\u003e\u003c\/p\u003e\u003cp style=\"margin: 0px 0px 15px; font-family: Arial, sans-serif; font-size: 14.6667px; background-color: rgb(255, 255, 255);\"\u003e\u003cspan style=\"font-size: 12pt;\"\u003eIro source assisted coating—— For durability and resistance to scratching, as well as stability on CWL (central wavelength) no deviation affected by temperature change.\u003c\/span\u003e\u003c\/p\u003e\u003cp style=\"margin: 0px 0px 15px; font-family: Arial, sans-serif; font-size: 14.6667px; background-color: rgb(255, 255, 255);\"\u003e\u003cspan style=\"font-size: 12pt;\"\u003eConstantly stringent quality testing processes—— Each filter was tested by spectrophotometer and laser interferometer testing spectrum and wavefront to ensure market filter is qualified product\u003c\/span\u003e\u003c\/p\u003e\u003cp style=\"margin: 0px 0px 15px; font-family: Arial, sans-serif; font-size: 14.6667px; background-color: rgb(255, 255, 255);\"\u003e\u003cspan style=\"font-size: 12pt;\"\u003eOptolong will spare no effort to serve our customer with outstanding quality products and best servise!\u003c\/span\u003e\u003c\/p\u003e","brand":"Optolong Filters","offers":[{"title":"Default Title","offer_id":44013530546287,"sku":"O-LRGB-2","price":519.99,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/LRGB1__28538.jpg?v=1766555039"},{"product_id":"lrgb-deep-sky-imaging-filter-36mm","title":"LRGB Deep Sky Imaging Filter - 36mm","description":"\u003cp style=\"margin: 0px 0px 15px; font-family: Arial, sans-serif; font-size: 14.6667px; background-color: #ffffff;\"\u003e\u003cspan style=\"font-family: arial, helvetica, sans-serif; font-size: 12pt;\"\u003eThe LRGB filter set is designed for maximum contrast and with extremely high gradients for clear differentiation of colors. The LRGB filter set divides the spectrum into its components red, green, blue and luminance. \u003c\/span\u003e\u003cspan style=\"font-family: arial, helvetica, sans-serif; font-size: 12pt;\"\u003eOIII emission overlaps on blue and green filters with maximum transmission to allow high efficiency and natural color imaging. Gap between green and red filters serves to block out the primary Sodium light pollution line at 589nm and improves color balance and separation.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp style=\"margin: 0px 0px 15px; font-family: Arial, sans-serif; font-size: 14.6667px; background-color: #ffffff;\"\u003e\u003cspan style=\"font-size: 12pt;\"\u003eFine-optically polishing for double-sides—— Ensure accurate 1\u003cspan style=\"color: #191f25; font-family: arial, helvetica, sans-serif; line-height: 32px; text-align: justify;\"\u003e\/4 wavefront and \u0026lt;30 seconds parallalism over the both surfaces\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp style=\"margin: 0px 0px 15px; font-family: Arial, sans-serif; font-size: 14.6667px; background-color: #ffffff;\"\u003e\u003cspan style=\"font-size: 12pt;\"\u003eUltrasonic wave cleaning substrate with purified water—— Cleanup by 13 purified water tank to remove inpurities and dust effectively\u003c\/span\u003e\u003c\/p\u003e\n\u003cp style=\"margin: 0px 0px 15px; font-family: Arial, sans-serif; font-size: 14.6667px; background-color: #ffffff;\"\u003e\u003cspan style=\"font-size: 12pt;\"\u003eIro source assisted coating—— For durability and resistance to scratching, as well as stability on CWL (central wavelength) no deviation affected by temperature change.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp style=\"margin: 0px 0px 15px; font-family: Arial, sans-serif; font-size: 14.6667px; background-color: #ffffff;\"\u003e\u003cspan style=\"font-size: 12pt;\"\u003eConstantly stringent quality testing processes—— Each filter was tested by spectrophotometer and laser interferometer testing spectrum and wavefront to ensure market filter is qualified product\u003c\/span\u003e\u003c\/p\u003e\n\u003cp style=\"margin: 0px 0px 15px; font-family: Arial, sans-serif; font-size: 14.6667px; background-color: #ffffff;\"\u003e\u003cspan style=\"font-size: 12pt;\"\u003eOptolong will spare no effort to serve our customer with outstanding quality products and best servise!\u003c\/span\u003e\u003c\/p\u003e","brand":"Optolong Filters","offers":[{"title":"Default Title","offer_id":44013530579055,"sku":"O-LRGB-36","price":419.99,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/LRGB-36__42511.jpg?v=1766555045"},{"product_id":"used-lrgb-deep-sky-imaging-filter-1-25","title":"USED LRGB Deep Sky Imaging Filter - 1.25\"","description":"\u003cp style=\"margin: 0px 0px 15px; font-family: Arial, sans-serif; font-size: 14.6667px; background-color: #ffffff;\"\u003e\u003cspan style=\"font-family: arial, helvetica, sans-serif; font-size: 12pt;\"\u003eUSED Optolong LRGB 1.25\" Filters in excellent condition.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp style=\"margin: 0px 0px 15px; font-family: Arial, sans-serif; font-size: 14.6667px; background-color: #ffffff;\"\u003e \u003c\/p\u003e\n\u003cp style=\"margin: 0px 0px 15px; font-family: Arial, sans-serif; font-size: 14.6667px; background-color: #ffffff;\"\u003e\u003cspan style=\"font-family: arial, helvetica, sans-serif; font-size: 12pt;\"\u003eThe LRGB filter set is designed for maximum contrast and with extremely high gradients for clear differentiation of colors. The LRGB filter set divides the spectrum into its components red, green, blue and luminance. \u003c\/span\u003e\u003cspan style=\"font-family: arial, helvetica, sans-serif; font-size: 12pt;\"\u003eOIII emission overlaps on blue and green filters with maximum transmission to allow high efficiency and natural color imaging. Gap between green and red filters serves to block out the primary Sodium light pollution line at 589nm and improves color balance and separation.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp style=\"margin: 0px 0px 15px; font-family: Arial, sans-serif; font-size: 14.6667px; background-color: #ffffff;\"\u003e\u003cspan style=\"font-size: 12pt;\"\u003eFine-optically polishing for double-sides—— Ensure accurate \u003cspan style=\"color: #191f25; font-family: arial, helvetica, sans-serif; line-height: 32px; text-align: justify;\"\u003e1\/4 wavefront and \u0026lt;30 seconds parallalism over the both surfaces\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp style=\"margin: 0px 0px 15px; font-family: Arial, sans-serif; font-size: 14.6667px; background-color: #ffffff;\"\u003e\u003cspan style=\"font-size: 12pt;\"\u003eUltrasonic wave cleaning substrate with purified water—— Cleanup by 13 purified water tank to remove inpurities and dust effectively\u003c\/span\u003e\u003c\/p\u003e\n\u003cp style=\"margin: 0px 0px 15px; font-family: Arial, sans-serif; font-size: 14.6667px; background-color: #ffffff;\"\u003e\u003cspan style=\"font-size: 12pt;\"\u003eIro source assisted coating—— For durability and resistance to scratching, as well as stability on CWL (central wavelength) no deviation affected by temperature change.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp style=\"margin: 0px 0px 15px; font-family: Arial, sans-serif; font-size: 14.6667px; background-color: #ffffff;\"\u003e\u003cspan style=\"font-size: 12pt;\"\u003eConstantly stringent quality testing processes—— Each filter was tested by spectrophotometer and laser interferometer testing spectrum and wavefront to ensure market filter is qualified product\u003c\/span\u003e\u003c\/p\u003e\n\u003cp style=\"margin: 0px 0px 15px; font-family: Arial, sans-serif; font-size: 14.6667px; background-color: #ffffff;\"\u003e\u003cspan style=\"font-size: 12pt;\"\u003eOptolong will spare no effort to serve our customer with outstanding quality products and best servise!\u003c\/span\u003e\u003c\/p\u003e","brand":"Optolong Filters","offers":[{"title":"Default Title","offer_id":44014117847151,"sku":"O-LRGB-1-U","price":275.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/IMG_1261__72659.jpg?v=1766571908"}],"url":"https:\/\/ontariotelescope.com\/collections\/optolong-lrgb.oembed","provider":"Ontario Telescope and Accessories","version":"1.0","type":"link"}