{"title":"IDAS Light Pollution \u0026 Broadband","description":"\u003cp\u003eIDAS light pollution \u0026amp; broadband. Part of \u003ca href=\"\/collections\/idas-filters-ao5c\"\u003eIDAS Filters\u003c\/a\u003e.\u003c\/p\u003e","products":[{"product_id":"lps-d2-52mm-filter","title":"LPS-D2 52mm Filter","description":"\u003cdiv\u003e\u003cspan style=\"font-family: Arial;\"\u003eIDAS LPS-D2 Newest Generation Nebula Filter\u003c\/span\u003e\u003c\/div\u003e\u003cdiv\u003e\u003cspan style=\"font-family: Arial;\"\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/div\u003e\u003cdiv\u003e\u003cspan style=\"font-family: Arial;\"\u003eIDAS is one of the pioneers in the development of modern and effective Nebula filters for suppression of city light pollution. These filters allow for astrophotography close to a city and deliver optimal results. IDAS Nebula filters cause a significant contrast enhancement and therefore enable longer exposure times with DSLRs, Color and Mono Astro Cameras.\u003c\/span\u003e\u003c\/div\u003e\u003cdiv\u003e\u003cspan style=\"font-family: Arial;\"\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/div\u003e\u003cdiv\u003e\u003cspan style=\"font-family: Arial;\"\u003eThe IDAS LPS-D2 Nebula filter is designed specifically for color cameras. The filter provides better color balance than any other filter for DSLR and also for One-Shot Color cameras with CMOS sensors, as offered by ZWO and QHY. Of course there is also a substantial improvement when working with Mono cameras, e.g. when exposing Luminance.\u003c\/span\u003e\u003c\/div\u003e\u003cdiv\u003e\u003cspan style=\"font-family: Arial;\"\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/div\u003e\u003cdiv\u003e\u003cspan style=\"font-family: Arial;\"\u003eThe exposure time can be multiplied by a factor of 3. This means, that you are able to expose three times as long than without a filter, before the sky background becomes visible. On the contrary, the light which the Nebula emits passes unhindered. This results in a significant contrast enhancement and makes Nebula photography possible, where it otherwise would not, even close to cities. Galaxy and Cluster photography also greatly benefits from the LPS-D2.\u003c\/span\u003e\u003c\/div\u003e\u003cdiv\u003e\u003cspan style=\"font-family: Arial;\"\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/div\u003e\u003cdiv\u003e\u003cspan style=\"font-family: Arial;\"\u003eThe LPS-D2 Filter suppresses the high-pressure-Sodium line and parts of the LED spectrum.Modern light sources, like LED, have changed the spectrum of the unwanted stray light for astrophotography. The new IDAS LPS-D2 filter compensates for this, and even suppresses those line\u003c\/span\u003e\u003c\/div\u003e","brand":"Idas Filters","offers":[{"title":"Default Title","offer_id":44013473464431,"sku":"LPS-D2-52","price":259.99,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/d248__26953.jpg?v=1766554368"},{"product_id":"idas-night-glow-suppression-filters","title":"IDAS Night Glow Suppression Filters","description":"\u003cspan style=\"font-family: Arial, Helvetica, sans-serif; font-size: small; background-color: rgb(255, 255, 255);\"\u003eDAS Night Glow Filters enhance the contrast of astronomical emission nebulae against a sky with both man-made and natural* sky glow sources, yet preserve color balance of broadband objects such as galaxies. As with other IDAS interference filters, the bandpasses are designed to accommodate the steep ray angles of fast optical systems.\u003c\/span\u003e\u003cdiv\u003e\u003cspan style=\"font-family: Arial, Helvetica, sans-serif; font-size: small; background-color: rgb(255, 255, 255);\"\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/div\u003e\u003cdiv\u003e\n\u003cul style=\"font-family: Arial, Helvetica, sans-serif; font-size: small; background-color: rgb(255, 255, 255);\"\u003e\n\u003cli\u003eIdeal flat-top and moderate bandpass\u003c\/li\u003e\n\u003cli\u003eExcellent in-band transmission\u003c\/li\u003e\n\u003cli\u003eSteep bandpass edges minimize internal reflections\u003c\/li\u003e\n\u003cli\u003eNear IR (NIR) is blocked up to 1200nm\u003c\/li\u003e\n\u003cli\u003eAvailable in 52mm and 48mm sizes\u003c\/li\u003e\n\u003cli\u003e2.5mm thickness (parfocal with other IDAS LPS filters)\u003c\/li\u003e\n\u003cli\u003eIDAS-proprietary \u003ca href=\"https:\/\/www.sciencecenter.net\/hutech\/idas\/idastech.htm\"\u003eIGAD\/MBT\/UFP\u003c\/a\u003e quality\u003c\/li\u003e\n\u003cli\u003eMade in Japan\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv\u003e\u003cspan style=\"font-family: Arial, Helvetica, sans-serif; font-size: small; background-color: rgb(255, 255, 255);\"\u003e* Natural sky glow sources blocked include upper atmosphere oxygen and sodium lines which become visible from high-altitude, dark sky sites. See videos at the bottom of this page for background information on natural sky glow.\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/div\u003e\u003cdiv\u003e\u003cspan style=\"font-family: Arial, Helvetica, sans-serif; font-size: small; background-color: rgb(255, 255, 255);\"\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/div\u003e\u003cdiv\u003e\u003cspan style=\"font-family: Arial, Helvetica, sans-serif; font-size: 10pt;\"\u003e\u003ch3\u003eAdditional Information on Natural Sky Glow\u003c\/h3\u003e\n\u003cp\u003e\u003c\/p\u003e\n\u003cp style=\"text-align: center;\"\u003e\u003ciframe width=\"376\" height=\"212\" src=\"https:\/\/www.youtube.com\/embed\/EwqWdy_ZUX8\" frameborder=\"0\" allow=\"accelerometer; autoplay; encrypted-media; gyroscope; picture-in-picture\" allowfullscreen=\"\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003cp style=\"text-align: center;\"\u003e\u003ciframe width=\"376\" height=\"212\" src=\"https:\/\/www.youtube.com\/embed\/n_MJDL2m_8w\" frameborder=\"0\" allow=\"accelerometer; autoplay; encrypted-media; gyroscope; picture-in-picture\" allowfullscreen=\"\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\u003c\/span\u003e\u003c\/div\u003e","brand":"Idas Filters","offers":[{"title":"Default Title","offer_id":44013529170031,"sku":"NGS1","price":254.99,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/IDAS-Filters-Night-Glow-Suppression-Filter-NGS1-52mm__09233.jpg?v=1766554881"},{"product_id":"48mm-lps-p3-filter","title":"48mm LPS-P3 Filter","description":"\u003cp style=\"box-sizing: border-box; -webkit-font-smoothing: subpixel-antialiased; margin: 1em 0px; line-height: 18px; color: rgb(66, 66, 66); font-family: 'open sans', arial, sans-serif; font-size: 13px; background-color: rgb(255, 255, 255);\"\u003e\u003cspan style=\"font-weight: bold;\"\u003eThe Japanese-made IDAS P3 LPS is in our opinion the BEST Light Pollution Suppression filter for astro photography with DSLR, colour and mono CCD cameras. \u003c\/span\u003e\u003c\/p\u003e\u003cp style=\"box-sizing: border-box; -webkit-font-smoothing: subpixel-antialiased; margin: 1em 0px; line-height: 18px; color: rgb(66, 66, 66); font-family: 'open sans', arial, sans-serif; font-size: 13px; background-color: rgb(255, 255, 255);\"\u003e\u003cspan style=\"font-weight: bold;\"\u003e\u003c\/span\u003eLight pollution suppression (LPS) filters are designed to suppress the common emission lines generated by artificial lighting, yet allow the important nebula emission lines to pass, thus enhancing the contrast of astronomical objects, particularly emission nebulae (see filter plots).\u003c\/p\u003e\u003cp style=\"box-sizing: border-box; -webkit-font-smoothing: subpixel-antialiased; margin: 1em 0px; line-height: 18px; color: rgb(66, 66, 66); font-family: 'open sans', arial, sans-serif; font-size: 13px; background-color: rgb(255, 255, 255);\"\u003eUnlike other light pollution suppression filters, IDAS filters are specifically designed for balanced colour transmission using the IDAS unique Multi-Bandpass Technology (MBT) process. The balanced transmission allows colour photographs to be taken with minimal colour cast to broadband emission objects such as stars, galaxies and globular clusters. \u003cbr style=\"box-sizing: border-box; -webkit-font-smoothing: subpixel-antialiased;\"\u003e\u003c\/p\u003e\u003cp style=\"box-sizing: border-box; -webkit-font-smoothing: subpixel-antialiased; margin: 1em 0px; line-height: 18px; background-color: rgb(255, 255, 255);\"\u003e\u003cspan style=\"color: rgb(66, 66, 66); font-family: \" open sans arial sans-serif font-size:\u003eIDAS LPS filters utilize the unique IDAS Ion Gun Assisted Deposition (IGAD) coating technology for superior coating durability (quartz hardness) and safer cleaning. IGAD coatings also improve temperature and humidity stability, reducing spectrum shifts down to +\/-1nm from the +\/-3 or 4nm shift of standard coatings. \u003c\/span\u003e\u003c\/p\u003e\u003cp style=\"box-sizing: border-box; -webkit-font-smoothing: subpixel-antialiased; margin: 1em 0px; line-height: 18px; background-color: rgb(255, 255, 255);\"\u003e\u003cspan style=\"font-size: 13px; font-weight: bold; font-family: \" open sans arial sans-serif color: rgb\u003eFeatures for LPS-P3 are\u003c\/span\u003e\u003c\/p\u003e\u003cp style=\"box-sizing: border-box; -webkit-font-smoothing: subpixel-antialiased; margin: 1em 0px; line-height: 18px; background-color: rgb(255, 255, 255);\"\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 13px; color: rgb(66, 66, 66); font-family: \" open sans arial sans-serif\u003ePrimary target light pollution to be suppressed are mercury and high\/low sodium vapor lines. So different concept from LPS-D2 and NGS1\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 13px; font-family: \" open sans arial sans-serif color: rgb\u003eMore strongly blocking UV and NIR until 1200nm than previous models.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 13px; font-family: \" open sans arial sans-serif color: rgb\u003eColor balance is more tweaked for astro one-shot color cameras.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 13px; font-family: \" open sans arial sans-serif color: rgb\u003eHigher and flatter transmission peaks while deeper optical density for blocking sections – higher image contrast and less reflections possible\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003c\/p\u003e\u003cp style=\"box-sizing: border-box; -webkit-font-smoothing: subpixel-antialiased; margin: 1em 0px; line-height: 18px; color: rgb(66, 66, 66); font-family: 'open sans', arial, sans-serif; font-size: 13px; background-color: rgb(255, 255, 255);\"\u003e\u003cbr\u003e\u003c\/p\u003e","brand":"Idas Filters","offers":[{"title":"Default Title","offer_id":44013619216495,"sku":"LPS-P3-48","price":264.99,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/LPS-P3-48a__14314.jpg?v=1766557785"},{"product_id":"idas-lps-d3-formerly-ngs1-light-pollution-suppression-filters","title":"IDAS LPS-D3 (formerly NGS1) Light Pollution Suppression Filters","description":"\u003cspan style=\"font-family: Arial, Helvetica, sans-serif; font-size: small; background-color: rgb(255, 255, 255);\"\u003eDAS LPS-D3 (formerly NGS1) light pollution suppression filters enhance the contrast of astronomical emission nebulae against a sky with both man-made and natural* sky glow sources, yet preserve color balance of broadband objects such as galaxies. As with other IDAS interference filters, the bandpasses are designed to accommodate the steep ray angles of fast optical systems.\u003c\/span\u003e\u003cdiv\u003e\u003cspan style=\"font-family: Arial, Helvetica, sans-serif; font-size: small; background-color: rgb(255, 255, 255);\"\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/div\u003e\u003cdiv\u003e\n\u003cul style=\"font-family: Arial, Helvetica, sans-serif; font-size: small; background-color: rgb(255, 255, 255);\"\u003e\n\u003cli\u003eIdeal flat-top and moderate bandpass\u003c\/li\u003e\n\u003cli\u003eExcellent in-band transmission\u003c\/li\u003e\n\u003cli\u003eSteep bandpass edges minimize internal reflections\u003c\/li\u003e\n\u003cli\u003eNear IR (NIR) is blocked up to 1200nm\u003c\/li\u003e\n\u003cli\u003eAvailable in 52mm and 48mm sizes\u003c\/li\u003e\n\u003cli\u003e2.5mm thickness (parfocal with other IDAS LPS filters)\u003c\/li\u003e\n\u003cli\u003eIDAS-proprietary \u003ca href=\"https:\/\/www.sciencecenter.net\/hutech\/idas\/idastech.htm\"\u003eIGAD\/MBT\/UFP\u003c\/a\u003e quality\u003c\/li\u003e\n\u003cli\u003eMade in Japan\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cblockquote style=\"font-family: Arial, Helvetica, sans-serif; font-size: small; background-color: rgb(255, 255, 255);\"\u003e\n\u003csup\u003e*\u003c\/sup\u003e Natural sky glow sources blocked include upper atmosphere oxygen and sodium lines which become visible from high-altitude, dark sky sites. See videos at the bottom of this page for background information on natural sky glow.\u003c\/blockquote\u003e\n\u003c\/div\u003e","brand":"Idas Filters","offers":[{"title":"Default Title","offer_id":44013652279407,"sku":"LPS-D3-48","price":259.99,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/D348__61710.jpg?v=1766558689"},{"product_id":"idas-gnb-filter-1-25","title":"IDAS GNB Filter 1.25\"","description":"\u003cdiv\u003e\n\u003cp class=\"MsoNormal\" style=\"margin-bottom:0cm;line-height:normal\"\u003e\u003cspan style=\"font-size:12.0pt;font-family:\" arial new roman\u003eThe IDAS GNB uses near-infrared\r\nlight in addition to the characteristics of the conventional NB series to\r\ncapture high-contrast images of galaxies, star clusters, and emission nebulae.\u003co:p\u003e\u003c\/o:p\u003e\u003c\/span\u003e\u003c\/p\u003e\r\n\r\n\u003cp class=\"MsoNormal\" style=\"margin-bottom:0cm;line-height:normal\"\u003e\u003cspan style=\"font-size: 12pt; font-family: Arial, sans-serif;\"\u003eIn the visible region (wavelength\r\n400-700nm), where there is a lot of light pollution, it has the characteristics\r\nof a nebula booster that is resistant to \u003c\/span\u003e\u003cspan style=\"font-family: Arial, sans-serif; font-size: 12pt;\"\u003elight pollution.\u003c\/span\u003e\u003c\/p\u003e\r\n\r\n\u003cp class=\"MsoNormal\" style=\"margin-bottom:0cm;line-height:normal\"\u003e\u003cspan style=\"font-family: Arial, sans-serif; font-size: 12pt;\"\u003eIt is especially effective in\r\none-shot color image sensors with high infrared sensitivity (IMX585, etc.). This\r\nfilter is coated with high-density, high-durability aging-less IAD (Ion Assist\r\nDeposition) similar to IGAD (Ion-Gun Assist Deposition) used in LPS-D3 and NBZ\r\n.\u003c\/span\u003e\u003c\/p\u003e\r\n\r\n\u003cp class=\"MsoNormal\" style=\"margin-bottom:0cm;line-height:normal\"\u003e\u003cspan style=\"font-family: Arial, sans-serif; font-size: 12pt;\"\u003eThe durability of the thin film\r\nis high, and the hardness of the thin film is comparable to quartz glass.\u003c\/span\u003e\u003cspan style=\"font-family: Arial, sans-serif; font-size: 12pt;\"\u003e  \u003c\/span\u003e\u003cspan style=\"font-family: Arial, sans-serif; font-size: 12pt;\"\u003eAdhesion between the multilayer thin film and\r\nthe filter substrate is also significantly improved. Changes over time in\r\nspectral characteristics due to temperature and humidity are almost\r\nnon-existent in the environment where humans live.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Idas Filters","offers":[{"title":"Default Title","offer_id":44013800030319,"sku":"LPS-GNB-1","price":320.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/IDAS-GNB-286-v4_252520-_252520Edited__18200.1682641088.1280.1280.png?v=1766563155"}],"url":"https:\/\/ontariotelescope.com\/collections\/idas-light-pollution.oembed","provider":"Ontario Telescope and Accessories","version":"1.0","type":"link"}