{"title":"filter","description":"\u003cp\u003eBrowse our filter collection. Free Shipping.\u003c\/p\u003e","products":[{"product_id":"baader-125-inch-u-filter","title":"Baader 1.25-inch U-Filter","description":"\u003ccenter\u003e\n\u003cp style=\"text-align: left;\"\u003e\u003cspan style=\"color: #000000;\"\u003e\u003cstrong\u003eThe Ultraviolet Venus Filter - 1.25-Inch Round Mounted by Baader Planetarium:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp style=\"text-align: left;\"\u003eAnother unique new filter from Baader Planetarium. For the first time, amateurs can now record cloud structures on Venus. The Baader Venus Filter enables amateurs to successfully image in the deep UV, a spectral region normally inaccessible. \u003c\/p\u003e\n\u003c\/center\u003e\u003cbr\u003e The latest coating technologies permit the Baader Venus Ultraviolet Filter to transmit from 300nm to 400nm, with a peak transmission of 80-percent! The filter completely blocks the rest of the region from 200nm to 1500nm, through the use of a complex 20 layer dielectric coating stack, on top of a special UG-11 substrate. Up till now, Amateur efforts typically relied upon deep violet colored filters, or combinations with simpler interference filters, which do not provide the high transmission and efficient rejection outside the important spectral region from 320nm to 390nm. Given the poor transmissions of many optics in the UV and the lower sensitivity of some CCDs to this wavelength, high filter efficiency and complete rejection at longer wavelengths becomes paramount to recording good contrast at reasonable exposures. The same high optical quality and features as the other Baader filters ensures the highest contrast and sharpest images possible. \u003cbr\u003e\u003cbr\u003e Interestingly, the solar Calcium K-Line is also within the pass band of this filter. This opens up the exciting possibility for recording flare structures on the solar disk or edges. The Baader U Filter has become the choice of UV imagers exploring the UV world of landscape, floral, and even forensic imaging. The latest 1.25-inch filter now has even higher transmission and improved out of band blocking. By using our DSLR-2 filter adapter ring plus the appropriate filter step ring (HDT-Rings), UV imagers can conveniently mount the U-Filter to their camera lens. \u003cbr\u003e\u003cbr\u003e \u003ci\u003ePlease Note: The Baader Venus U filter is only applicable for imaging with Webcam, Digital, and CCD cameras (Visual Observation is impossible, due to the eye's insensitivity to the UV). For successful imaging, we recommend the use of a UV sensitive astronomy CCD camera (ie, SBIG ST-2000XM) and at least a 5\" telescope, or a webcam and 8\" telescope.\u003c\/i\u003e \u003cbr\u003e\u003cbr\u003e\u003ccenter\u003e\n\u003cp style=\"text-align: left;\"\u003e\u003cspan style=\"color: #000000;\"\u003e\u003cstrong\u003eBaader Planetarium Ultraviolet Venus Filter Features:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp style=\"text-align: left;\"\u003e\u003ci\u003e\u003cb\u003eTrue Optical Quality:\u003c\/b\u003e\u003c\/i\u003e Baader glass substrates are of true optical quality. Most other filters are merely made from raw flame-polished, \"optically flat\", or sometimes a top quality commercially polished filter glass (fine for camera filters), resulting in wavefront deformations that damage image sharpness and contrast when used with telescopes. Baader Planetarium filters are made from striae-free substrates, and actually fine optically polished flat to within 1\/4 wave p-v over the entire surface, plane parallel to within 30 seconds of arc! This important and unique custom step adds cost - but the result is a filter that maintains the full wavefront quality of the telescope without double images or ghosting, even at high magnifications. Critical to maintaining this level of flatness are Baader's carefully balanced coating designs, which prevent coating surface stresses from warping the substrate. Such high flatness enables Baader filters to be used far in front of the focal plane, ahead of star diagonals and digital cameras. They are particularly well suited for attachment to the nosepiece of the Maxbright Binocular Viewer (other manufacturer's filters must be used in pairs, attached to the eyepieces). \u003c\/p\u003e\n\u003c\/center\u003e\n\u003cp\u003e\u003cbr\u003e \u003ci\u003e\u003cb\u003eFilter Durability: \u003c\/b\u003e\u003c\/i\u003eFilter durability has always been a hallmark of Baader Planetarium. The multi-layer dielectric coatings are plasma-assisted and Ion beam-hardened using the latest technology (the coatings are harder than the glass substrate itself!). Baader filters withstand repeated real-world exposure to the elements and physical cleaning. Users need not leave their precious filters dull and dust encrusted to avoid cleaning - Baader filters may be used and cleaned without fear. We have heard sad stories from owners of other simpler soft-coated dielectric filters, who have seen their coatings degrade from normal exposure to moisture, or wiped away from routine cleaning. Some manufacturers even resort to sandwiching their delicate coatings in between two layers of glass (and risking blurred double images as well as eventual degradation from the edges inward). Baader Filters will truly last a lifetime. \u003cbr\u003e\u003cbr\u003e \u003ci\u003e\u003cb\u003eStackability: \u003c\/b\u003e\u003c\/i\u003eUnlike other filters, Baader Planetarium filters are truly designed to be stacked and combined. This is possible due to the high optical quality and highly efficient anti-reflection multi-coatings. The ability to combine filters opens up many exciting possibilities, permitting unique spectral characteristics unachievable with any single filter. \u003cbr\u003e\u003cbr\u003e \u003ci\u003e\u003cb\u003eSpecial Filter Cell: \u003c\/b\u003e\u003c\/i\u003eBaader's special filter cell design offers unique features that enhance their reliability and usability. Though difficult to produce, the ultra-thin filter cell results in the maximum possible clear aperture, in order to minimize vignetting (1.25-inch Filter clear aperture is 27mm, 1.25-inch Filter aperture is 45mm). The special threading has been designed to fit a wide variety of eyepieces and accessories (there is significant variation between the 1.25-inch filter threading used by eyepiece and accessory manufacturers). The front 'crown' of the filter incorporates milled notches which make handling and threading the filter a more secure operation in the dark. \u003cbr\u003e\u003cbr\u003e \u003ci\u003e\u003cb\u003eLow cost: \u003c\/b\u003e\u003c\/i\u003eDespite high quality and advanced technology, Baader Planetarium filters are affordable. By leveraging high volumes across all filters in the Baader family, these filters can be offered at very reasonable prices. \u003cbr\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003eOPT Product Number: \u003cb\u003eBA-FUV-1\u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"Baader","offers":[{"title":"Default Title","offer_id":68343058563296,"sku":"ggm1793398064043","price":222.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0811\/8334\/2816\/files\/baader-125-inch-u-filter_1.jpg?v=1793398077"},{"product_id":"astronomik-l-2-uv-ir-block-clip-filter-eos-xl","title":"Astronomik L-2 UV-IR Block Clip-Filter EOS XL","description":"\u003cp\u003eSuited for most optical systems, this general use luminance filter will block out the unwanted UV and IR ranges, allowing only the parts of the spectrum you desire for digital astrophotography.\u003c\/p\u003e\n\u003cp\u003eThanks to the state-of-the-art clip-filter design by Astronomik, this filter will nestle perfectly into your Canon EOS XL camera so you can begin imaging immediately!\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003e\u003cstrong\u003eCompatible cameras:\u003c\/strong\u003e \u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e- 5D Mk I (no live view) \u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e- 5D Mk II \u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e- 5D Mk III \u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e- 6D Mk I \u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e\u003cstrong\u003eNon-compatible cameras:\u003c\/strong\u003e \u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e- 5DS \u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e- 5DSR \u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e- 5D Mk IV \u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e- 6D Mk II \u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e- Canon APS-C (EF-S) cameras \u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e- Canon Mirrorless cameras\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c!-- split --\u003e\n\u003cul\u003e\n\u003cli\u003eClip right into your Canon EOS XL Camera.\u003c\/li\u003e\n\u003cli\u003eTypical transmission rate is 99% or higher!\u003c\/li\u003e\n\u003cli\u003eExtremely resistant to humidity, scratches, and general aging wear.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Astronomik","offers":[{"title":"Default Title","offer_id":68343111581920,"sku":"abb1793398391366","price":102.66,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0811\/8334\/2816\/files\/astronomik-l-2-uv-ir-block-clip-filter-eos-xl_1.jpg?v=1793398404"},{"product_id":"optolong-l-pro-light-pollution-telescope-camera-filter-sony-ff-clip","title":"Optolong L-Pro Light Pollution Telescope Camera Filter - Sony-FF Clip","description":"\u003cp\u003e\u003cstrong\u003eThis is a Sony-FF clip filter for Sony Alpha full frame mirrorless cameras. It is confirmed to work with Mark I series Sony cameras (a7, a7r, a7s) but may not fit into newer generation Sony cameras.\u003c\/strong\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003eAbout the Optolong L-Pro Light Pollution Filter\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eThis L-Pro (L-Professional) filter is designed to improve the visibility of various deep-sky objects. By selectively reducing the transmission of wavelengths of light pollutants, specifically those produced by artificial lights including mercury vapor lamps, both high and low-pressure sodium vapor lights and the unwanted natural light caused by neutral oxygen emission in our atmosphere (i.e. skyglow).\u003c\/p\u003e\n\u003cp\u003eTogether with the highly transparent in main nebula emission lines at O-iii(496nm and 500nm), H-beta (486nm), N-ii(654nm and 658nm), H-alpha(656nm), as well as S-ii(672nm), the filter is suitable for enhancing the contrast and details for both visual and photographic purposes from sub-rural areas with heavy light pollution.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eCompare the L-Pro, L-eXtreme, and L-eNhance filter transmission lines:\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cimg style=\"display: block; margin-left: auto; margin-right: auto;\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1594\/4815\/files\/Optolong_L-Pro_filter_-transmission_lines.png?v=1599593256\u0026amp;width=700\" alt=\"Optolong L-Pro Light Pollution Telescope Camera Filter - Nikon-FF Clip-transmission-01\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cimg style=\"display: block; margin-left: auto; margin-right: auto;\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1594\/4815\/files\/Optolong_L-eXtreme_dual-band_astronomy_narrow_band_filter-transmission_lines_516ca154-029e-4066-92c5-4d172dd30b3e.png?v=1599593233\u0026amp;width=700\" alt=\"Optolong L-Pro Light Pollution Telescope Camera Filter - Nikon-FF Clip-transmission-0\"\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cimg style=\"display: block; margin-left: auto; margin-right: auto;\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1594\/4815\/files\/Optolong_L-eNhance_-transmission_lines_19bbaaf9-249d-4ce1-a3a1-b041648b0513.jpg?v=1599593211\u0026amp;width=700\" alt=\"Optolong L-Pro Light Pollution Telescope Camera Filter - Nikon-FF Clip-transmission-0\"\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eClick on the Gallery tab thumbnail images to see the transmission lines in greater detail.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eUnlike other light pollution filters (UHC and CLS,) L-Pro is a multi-bandpass filter offering excellent color balance by maximizing the transmission band. The balanced transmission allows astrophotos to be taken with minimal color cast to broadband emission objects such as galaxies, reflection nebulae, and globular star clusters. L-Pro is the best choice for light pollution suppression.\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003eMain Use and Performance\u003c\/strong\u003e\u003c\/h2\u003e\n\u003ch3\u003e\u003cstrong\u003eSuitable for visual observation and astrophotography.\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eThe L-Pro filter has a very low transmission reduction rate\u003c\/strong\u003e against continuous spectrum space objects and thus is quite effective in suppressing light pollution sources when shooting galaxies, reflection nebulae, and globular star clusters. The same holds true for visual star observations.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eL-Pro filters alone can suppress infrared wavelengths\u003c\/strong\u003e, and thus can be used at ease for “L” image shooting with CCD cameras. Light pollution filters do not eliminate the effects of light pollution or increase the object’s brightness. In many cases, they increase the contrast between nebula and night sky, not brightening the nebula.\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: #ff2a00;\"\u003e\u003cem\u003e\u003cstrong\u003eMANUFACTURER'S WARNING:\u003c\/strong\u003e The filters of Optolong are not designed for sun observation. \u003cstrong\u003eDO NOT LOOK AT THE SUN WITH OPTOLONG FILTER\u003c\/strong\u003e. \u003c\/em\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\n\u003cstrong\u003ePacking\u003c\/strong\u003e\u003cbr\u003e\n\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eOuter Box: silver box.\u003c\/li\u003e\n\u003cli\u003ePlastic Box: PP material.\u003c\/li\u003e\n\u003cli\u003eLining: imported high-pressure white EVA material.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003c!-- split --\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan data-mce-fragment=\"1\"\u003e\u003cstrong\u003eSony-FF clip filter for Sony Alpha full-frame mirrorless cameras. Confirmed to work with Mark I series Sony cameras (a7, a7r, a7s).\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eMay not fit into newer generation Sony cameras.\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003eProfessional Version of Optolong's Light Pollution Filter for Telescope Cameras.\u003c\/li\u003e\n\u003cli\u003eDesigned to improve the visibility of various deep-sky objects.\u003c\/li\u003e\n\u003cli\u003eSuitable for visual observation and astrophotography.\u003c\/li\u003e\n\u003cli\u003eEnhances the contrast and details for both visual and photographic purposes even with heavy light pollution.\u003c\/li\u003e\n\u003cli\u003eMulti-bandpass filter with excellent color balance.\u003c\/li\u003e\n\u003cli\u003eLow transmission reduction rate against continuous spectrum space objects.\u003c\/li\u003e\n\u003cli\u003eSuppresses infrared wavelengths.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"Optolong","offers":[{"title":"Default Title","offer_id":68343124820192,"sku":"rec1793398404765","price":182.92,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0811\/8334\/2816\/files\/optolong-l-pro-light-pollution-telescope-camera-filter---sony-ff-clip_1.png?v=1793398419"},{"product_id":"optolong-l-pro-light-pollution-telescope-camera-filter-nikon-ff-clip","title":"Optolong L-Pro Light Pollution Telescope Camera Filter - Nikon-FF Clip","description":"\u003ch3\u003e\u003cstrong\u003eThis the Professional Version of Optolong's Light Pollution Filter for Telescope Cameras.\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eThis is an NK-FF clip filter for Nikon cameras. \u003c\/strong\u003e\u003cstrong\u003eFits Nikon: D600\/D610\/D700\/D750\/D800\/D800E\/D810\/D810A\/DF\u003c\/strong\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eAbout the Optolong L-Pro Light Pollution Filter\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThis L-Pro (L-Professional) filter is designed to improve the visibility of various deep-sky objects. By selectively reducing the transmission of wavelengths of light pollutants, specifically those produced by artificial lights including mercury vapor lamps, both high and low-pressure sodium vapor lights and the unwanted natural light caused by neutral oxygen emission in our atmosphere (i.e. skyglow).\u003c\/p\u003e\n\u003cp\u003eTogether with the highly transparent in main nebula emission lines at O-iii(496nm and 500nm), H-beta (486nm), N-ii(654nm and 658nm), H-alpha(656nm), as well as S-ii(672nm), the filter is suitable for enhancing the contrast and details for both visual and photographic purposes from sub-rural areas with heavy light pollution.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eCompare the L-Pro, L-eXtreme, and L-eNhance filter transmission lines:\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cimg style=\"display: block; margin-left: auto; margin-right: auto;\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1594\/4815\/files\/Optolong_L-Pro_filter_-transmission_lines.png?v=1599593256\u0026amp;width=700\" alt=\"Optolong L-Pro Light Pollution Telescope Camera Filter - Nikon-FF Clip-transmission-01\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cimg style=\"display: block; margin-left: auto; margin-right: auto;\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1594\/4815\/files\/Optolong_L-eXtreme_dual-band_astronomy_narrow_band_filter-transmission_lines_516ca154-029e-4066-92c5-4d172dd30b3e.png?v=1599593233\u0026amp;width=700\" alt=\"Optolong L-Pro Light Pollution Telescope Camera Filter - Nikon-FF Clip-transmission-0\"\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cimg style=\"display: block; margin-left: auto; margin-right: auto;\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1594\/4815\/files\/Optolong_L-eNhance_-transmission_lines_19bbaaf9-249d-4ce1-a3a1-b041648b0513.jpg?v=1599593211\u0026amp;width=700\" alt=\"Optolong L-Pro Light Pollution Telescope Camera Filter - Nikon-FF Clip-transmission-0\"\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eClick on the Gallery tab thumbnail images to see the transmission lines in greater detail.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eUnlike other light pollution filters (UHC and CLS,) L-Pro is a multi-bandpass filter offering excellent color balance by maximizing the transmission band. The balanced transmission allows astrophotos to be taken with minimal color cast to broadband emission objects such as galaxies, reflection nebulae, and globular star clusters. L-Pro is the best choice for light pollution suppression.\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1594\/4815\/files\/OL-LPRO-NK-FF_OPTOLONG_L-PRO_LIGHT_POLLUTION_TELESCOPE_FILTER_-NIKON_FF_CLIP-04.png?v=1595534684\u0026amp;width=700\" alt=\"Optolong L-Pro Light Pollution Telescope Camera Filter - Nikon-FF Clip-06\" style=\"display: block; margin-left: auto; margin-right: auto;\"\u003e\u003c\/strong\u003e\u003c\/h2\u003e\n\u003ch3\u003e\u003cstrong\u003eMain Use and Performance\u003c\/strong\u003e\u003c\/h3\u003e\n\u003ch3\u003e\u003cstrong\u003eSuitable for visual observation and astrophotography.\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eThe L-Pro filter has a very low transmission reduction rate\u003c\/strong\u003e against continuous spectrum space objects and thus is quite effective in suppressing light pollution sources when shooting galaxies, reflection nebulae, and globular star clusters. The same holds true for visual star observations.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eL-Pro filters alone can suppress infrared wavelengths\u003c\/strong\u003e, and thus can be used at ease for “L” image shooting with CCD cameras. Light pollution filters do not eliminate the effects of light pollution or increase the object’s brightness. In many cases, they increase the contrast between nebula and night sky, not brightening the nebula.\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: #ff2a00;\"\u003e\u003cem\u003e\u003cstrong\u003eMANUFACTURER'S WARNING:\u003c\/strong\u003e The filters of Optolong are not designed for sun observation. \u003cstrong\u003eDO NOT LOOK AT THE SUN WITH OPTOLONG FILTER\u003c\/strong\u003e. \u003c\/em\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\n\u003cstrong\u003ePacking\u003c\/strong\u003e\u003cbr\u003e\n\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eOuter Box: silver box.\u003c\/li\u003e\n\u003cli\u003ePlastic Box: PP material.\u003c\/li\u003e\n\u003cli\u003eLining: imported high-pressure white EVA material.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003c!-- split --\u003e\n\u003cul\u003e\n\u003cli\u003eThickness: 0.3mm\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eProfessional Version of Optolong's Light Pollution Filter.\u003c\/li\u003e\n\u003cli\u003eDesigned to improve the visibility of deep-sky objects.\u003c\/li\u003e\n\u003cli\u003eSuitable for visual observation and astrophotography.\u003c\/li\u003e\n\u003cli\u003eEnhance contrast and details for both visual and photographic purposes even with heavy light pollution.\u003c\/li\u003e\n\u003cli\u003eMulti-bandpass filter excellent better color balance.\u003c\/li\u003e\n\u003cli\u003eLow transmission reduction rate against continuous spectrum space objects.\u003c\/li\u003e\n\u003cli\u003eSuppresses infrared wavelengths.\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eFits Nikon: D600\/D610\/D700\/D750\/D800\/D800E\/D810\/D810A\/DF\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"Optolong","offers":[{"title":"Default Title","offer_id":68343125934304,"sku":"pux1793398450648","price":201.75,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0811\/8334\/2816\/files\/optolong-l-pro-light-pollution-telescope-camera-filter---nikon-ff-clip_1.png?v=1793398467"},{"product_id":"zwo-2-inch-h-alpha-filter-7nm","title":"ZWO 2-Inch H-alpha Filter - 7nm","description":"\u003cp\u003eNarrowband filters are great if you are looking to reduce transmissions of certain types of light like mercury vapor, both low and high pressure sodium vapor (these three coming from artificial light), and neutral oxygen emission in the atmosphere (skyglow). While Narrowband filters do not eliminate the effects of light pollution or increase the celestial object's brightness, they can increase the contrast between the object and the night sky.\u003c\/p\u003e\n\u003cp\u003eZWO H-alpha 7nm filter is a 2\" filter with a M48x0.75 male thread. The bandpass of the filter is 7nm, and it passes light at 656nm wavelength. If you want high contrast astroimaging, then this Hα filter will deliver an excellent performance. The light transmission rate for the filter comes up to 80% and the glass has been fine-optically polished to ensure accurate 1\/4 wavefront. So, even in areas of strong light pollution, you can still explore the night sky with your imaging equipment!\u003c\/p\u003e\n\u003c!-- split --\u003e\n\u003cul\u003e\n\u003cli\u003eAmazing optical-performance filter, even in strong light pollution!\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"ZWO","offers":[{"title":"Default Title","offer_id":68343129178336,"sku":"yvt1793398504726","price":151.89,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0811\/8334\/2816\/files\/zwo-2-inch-h-alpha-filter---7nm_1.jpg?v=1793398519"},{"product_id":"zwo-2-inch-lrgb-filter-set","title":"ZWO 2-Inch LRGB Filter Set","description":"\u003cp\u003eThe ZWO LRGB2 Filter Set includes four 2” mounted astrophotography filters that pass red, green, and blue bands of light as well the full luminance spectrum across the visible band. By taking individual images with each of these filters and a monochrome astronomy camera and combining the separate images with standard processing techniques, you can create beautiful correct-color images of planets and deep-sky objects.\u003c\/p\u003e\n\u003cp\u003eThis premium filter set is designed to approximately equalize the sensor response of the ASI1600 monochrome camera, and the RGB color combination is weighted to approximately 1:1:1 for accurate color rendering. These filters also work well with other monochrome astronomy cameras. \u003c\/p\u003e\n\u003cp\u003eAll filters have a mechanical thickness of 5mm, with another 2.5mm added for the thread. Each filter is more parfocal with a thickness of 1.9+\/-0.03mm. The filters are mounted in cells with standard M48x0.75 threads for use in most filter wheels that accommodate 2” filters.\u003c\/p\u003e\n\u003cp\u003eThe precision passbands of the LRGB filters include a gap between red and green to improve color balance and partially block the sodium line at 589nm to suppress light pollution from low and high pressure sodium lamps. The blue and green filter passbands overlap slightly to include emission from OIII to help achieve a more natural color when imaging nebulae. The ZWO LRGB filters also block infrared wavelengths from 700nm to 1100nm which means a separate IR-cut filter is not required. Each filter has a transmittance of at least 92% in band, and each is optically polished to ¼ wave to help you get superior images. All surfaces have multi-layer antireflection coatings for increased transmittance and elimination of ghost reflections.\u003c\/p\u003e\n\u003cp\u003eThis set is not suitable for imaging with DSLRs or one-shot color astronomy cameras because they include a Bayer array to achieve color images intrinsically.\u003c\/p\u003e\n\u003c!-- split --\u003e\n\u003cul\u003e\n\u003cli\u003ePremium filter set for your monochrome astronomy camera to take beautiful images of planet and deep-sky objects\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cstyle\u003e\u003c\/style\u003e","brand":"ZWO","offers":[{"title":"Default Title","offer_id":68343130325216,"sku":"tfa1793398515257","price":230.23,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0811\/8334\/2816\/files\/zwo-2-inch-lrgb-filter-set_1.jpg?v=1793398533"}],"url":"https:\/\/upcycledmaterialwear.shop\/collections\/filter.oembed","provider":"My Store","version":"1.0","type":"link"}