{"title":"Celestron Filters","description":"\u003cp\u003eCelestron filters improve contrast on specific targets for visual observing and imaging. For the Moon there are a 1.25\" Moon filter, a neutral density Moon filter, a Moon filter set and a variable polarizing filter that dims the glare to taste.\u003c\/p\u003e\u003cp\u003eFor deep-sky objects, the UHC\/LPR filter (1.25\" and 2\") reduces light pollution and the Oxygen III narrowband filter brings out planetary and emission nebulae. RASA 8 and RASA 11 owners will find dedicated light pollution imaging filters, plus a lunar and planetary color set.\u003c\/p\u003e","products":[{"product_id":"celestron-moon-filter-set-1-25","title":"Celestron Moon Filter Set - 1.25”","description":"\u003cul class=\"DAV-feature-list\"\u003e\n\u003cli\u003eFour essential 1.25” lunar filters in one kit\u003c\/li\u003e\n\u003cli\u003eThree Neutral Density (ND) filters reduce brightness with 13%, 25%, and 50% transmission\u003c\/li\u003e\n\u003cli\u003eMoon \u0026amp; Sky Glow filter enhances contrast on subtle lunar features\u003c\/li\u003e\n\u003cli\u003eStackable anodized aluminum cells weighing only 6 g each\u003c\/li\u003e\n\u003cli\u003eIncludes a foam-lined hard case, a printed moon map, and a downloadable eBook\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c!-- more --\u003e\n\u003cul class=\"tabs\"\u003e\n\u003cli class=\"active\"\u003eDescription\u003c\/li\u003e\n\u003cli\u003eFAQ\u003c\/li\u003e\n\u003cli\u003eSpecifications\u003c\/li\u003e\n\u003cli\u003eIn the Box\u003c\/li\u003e\n\u003cli\u003eDownloads\u003c\/li\u003e\n\u003cli\u003eWarranty\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul class=\"tabs-content\"\u003e\n\u003cli class=\"active\"\u003e\n\u003cdiv\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section-center\"\u003e\n\u003ch2\u003eCelestron Moon Filter Set - 1.25”\u003c\/h2\u003e\n\u003cp\u003eThe Celestron Moon Filter Set - 1.25” provides the definitive toolkit for observing our nearest celestial neighbor. This four-filter kit manages the Moon's overwhelming glare, allowing you to select the perfect light reduction from 13%, 25%, or 50% transmission to match any lunar phase, eyepiece, or telescope aperture. Each 1.25\" filter is housed in a durable aluminum cell weighing just 6 grams, and the included Moon \u0026amp; Sky Glow filter selectively blocks wavelengths to dramatically increase contrast on subtle rilles and maria. The entire system, including the protective hard case, weighs only 74 grams.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003eThree Neutral Density Filters: 13%, 25%, and 50% Transmission for Every Lunar Phase\u003c\/h3\u003e\n\u003cp\u003eThis set gives you three distinct levels of neutral density filtration to perfectly match viewing conditions. The ND96-0.9 filter passes just 13% of light, ideal for taming a full moon in a large-aperture telescope. For quarter phases or smaller scopes, the ND96-0.6 (25% transmission) and ND96-0.3 (50% transmission) filters reduce glare without over-darkening the view, making faint crater details easier to hold and reducing eye fatigue during long sessions.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eND96-0.9 (13% T):\u003c\/strong\u003e The workhorse for the brightest conditions, such as a full moon viewed through an 8\" or larger telescope at low power.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eND96-0.6 (25% T):\u003c\/strong\u003e An excellent mid-range choice for gibbous phases or for use with medium-power eyepieces.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eND96-0.3 (50% T):\u003c\/strong\u003e Perfect for observing the slender crescent moon or for use with high-magnification eyepieces on smaller refractors.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003eMoon \u0026amp; Sky Glow Filter: Enhanced Contrast on Lunar Maria and Rilles\u003c\/h3\u003e\n\u003cp\u003eWhile ND filters reduce brightness uniformly, the light purple Moon \u0026amp; Sky Glow filter works differently. It selectively reduces transmission of specific wavelengths, which significantly boosts the contrast between different lunar terrains. This filter makes the boundaries of dark maria, the subtle shading in crater floors, and delicate rilles pop with newfound clarity.\u003c\/p\u003e\n\u003cp\u003eAs a secondary benefit, this filter also blocks certain wavelengths associated with common forms of urban light pollution, like low-pressure sodium streetlights. This can provide a modest contrast increase on deep-sky objects from suburban skies, adding to its utility beyond lunar observation.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003eProfessional Build: 1.25\" Aluminum Cells and Stackable Threads\u003c\/h3\u003e\n\u003cp\u003eEach filter in the Celestron Moon Filter Set is built for durability and optical integrity. The filter glass is mounted in a rigid, black-anodized aluminum cell that threads directly into any standard 1.25\" eyepiece or accessory. At just 6 grams per filter, they add virtually no weight to your optical train, preserving your telescope's balance.\u003c\/p\u003e\n\u003cp\u003eFor ultimate control, each filter features male and female threads, allowing you to stack them. Combining the 13% and 25% ND filters, for example, creates an even denser filter for specialized applications like attempting to view the crescent phase of Venus in daylight.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003eBeyond the Filters: Included Moon Map and Lunar Landscapes eBook\u003c\/h3\u003e\n\u003cp\u003eTo deepen your lunar explorations, this kit includes essential learning tools. A durable, handheld Moon map comes complete with a legend highlighting 17 key features to identify, from the Sea of Tranquility to the magnificent crater Copernicus. This allows you to turn a casual glance into a guided tour.\u003c\/p\u003e\n\u003cp\u003eYou also receive a free download of Robert Reeves’ eBook, \u003cem\u003eLunar Landscapes\u003c\/em\u003e. This guide provides fascinating context on the natural history of the Moon, the formation of its craters and maria, and the stories behind its most famous landmarks, helping you understand the science behind what you see in the eyepiece.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhich filter in the Celestron Moon Set should I use for a full Moon in my 8\" SCT?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eFor a full Moon with a large-aperture telescope like an 8\" SCT, start with the darkest filter, the \u003cstrong\u003eND96-0.9 (13% transmission)\u003c\/strong\u003e. This will cut the intense glare most effectively, especially at lower magnifications, making the view comfortable and revealing subtle ray details.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhat is the difference between the ND filters and the Moon \u0026amp; Sky Glow filter?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe three \u003cstrong\u003eNeutral Density (ND) filters\u003c\/strong\u003e are like sunglasses; they dim all colors of light equally to reduce overall brightness. The \u003cstrong\u003eMoon \u0026amp; Sky Glow filter\u003c\/strong\u003e is a contrast-enhancing filter; it selectively blocks certain wavelengths of light to make subtle features on the lunar surface stand out more clearly. It imparts a faint purple tint to the image.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eCan I stack the filters in the Celestron 1.25\" Moon Set?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eYes. All four filters feature standard 1.25\" filter threads on both sides of their aluminum cells, so they can be stacked. For instance, you could thread the Moon \u0026amp; Sky Glow filter into your eyepiece and then thread one of the ND filters onto it to both increase contrast and reduce brightness simultaneously.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWill these filters work with eyepieces from other brands?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eYes, the filters use standard 1.25\" (M28.5x0.6) threads. They will fit the vast majority of 1.25\" eyepieces and filter-ready accessories from Celestron and other manufacturers.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eHow do I decide between the 13%, 25%, and 50% transmission filters?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe choice depends on three factors: the Moon's phase, your telescope's aperture, and the magnification you're using.\n\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrightest views (Full Moon, large scope, low power):\u003c\/strong\u003e Use the 13% filter.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eModerate views (Gibbous Moon, mid-size scope):\u003c\/strong\u003e Use the 25% filter.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDimmest views (Crescent Moon, small scope, high power):\u003c\/strong\u003e Use the 50% filter or no filter at all.\u003c\/li\u003e\n\u003c\/ul\u003e\nThe set gives you the flexibility to experiment and find the most pleasing view for your specific setup.\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eCan the Celestron Moon Filter Set be used for anything besides the Moon?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eYes. The ND filters are excellent for reducing the glare of Venus, which helps in discerning its crescent phase. They can also be used for terrestrial daylight viewing through a telescope. The Moon \u0026amp; Sky Glow filter can offer a minor contrast boost on some deep-sky objects from light-polluted locations.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ctable class=\"DAV-specifications\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eFilter Size\u003c\/td\u003e\n\u003ctd\u003e31.75mm (1.25\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFilter Housing\u003c\/td\u003e\n\u003ctd\u003eAnodized Aluminum\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFilter Threads\u003c\/td\u003e\n\u003ctd\u003eStandard 1.25\" (Stackable)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFilter 1\u003c\/td\u003e\n\u003ctd\u003eNeutral Density ND96-0.9 (13% Light Transmission)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFilter 2\u003c\/td\u003e\n\u003ctd\u003eNeutral Density ND96-0.6 (25% Light Transmission)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFilter 3\u003c\/td\u003e\n\u003ctd\u003eNeutral Density ND96-0.3 (50% Light Transmission)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFilter 4\u003c\/td\u003e\n\u003ctd\u003eMoon \u0026amp; Sky Glow (Light Purple)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIndividual Filter Weight\u003c\/td\u003e\n\u003ctd\u003e0.21 oz (6 g)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTotal Weight (Filters \u0026amp; Case)\u003c\/td\u003e\n\u003ctd\u003e2.61 oz (74 g)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cul class=\"DAV-grid\"\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cimg class=\"DAV-img-box\" alt=\"ND96-0.9 Filter (13%)\" src=\"\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eND96-0.9 Neutral Density Filter (13% transmission)\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cimg class=\"DAV-img-box\" alt=\"ND96-0.6 Filter (25%)\" src=\"\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eND96-0.6 Neutral Density Filter (25% transmission)\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cimg class=\"DAV-img-box\" alt=\"ND96-0.3 Filter (50%)\" src=\"\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eND96-0.3 Neutral Density Filter (50% transmission)\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cimg class=\"DAV-img-box\" alt=\"Moon \u0026amp; Sky Glow Filter\" src=\"\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eMoon and Sky Glow Filter\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cimg class=\"DAV-img-box\" alt=\"Foam-Lined Plastic Storage Case\" src=\"\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eFoam-Lined Plastic Storage Case\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cimg class=\"DAV-img-box\" alt=\"Printed Moon Map with Legend\" src=\"\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003ePrinted Moon Map with Legend\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cul class=\"DAV-grid\"\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/files\/Celestron_Lunar_Landscapes_eBook.pdf?v=1782200921\" target=\"_blank\"\u003e\u003csvg class=\"DAV-img-box\" viewbox=\"0 0 512 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"\u003e\u003cpath d=\"M0 64C0 28.7 28.7 0 64 0L224 0l0 128c0 17.7 14.3 32 32 32l128 0 0 144-208 0c-35.3 0-64 28.7-64 64l0 144-48 0c-35.3 0-64-28.7-64-64L0 64zm384 64l-128 0L256 0 384 128zM176 352l32 0c30.9 0 56 25.1 56 56s-25.1 56-56 56l-16 0 0 32c0 8.8-7.2 16-16 16s-16-7.2-16-16l0-48 0-80c0-8.8 7.2-16 16-16zm32 80c13.3 0 24-10.7 24-24s-10.7-24-24-24l-16 0 0 48 16 0zm96-80l32 0c26.5 0 48 21.5 48 48l0 64c0 26.5-21.5 48-48 48l-32 0c-8.8 0-16-7.2-16-16l0-128c0-8.8 7.2-16 16-16zm32 128c8.8 0 16-7.2 16-16l0-64c0-8.8-7.2-16-16-16l-16 0 0 96 16 0zm80-112c0-8.8 7.2-16 16-16l48 0c8.8 0 16 7.2 16 16s-7.2 16-16 16l-32 0 0 32 32 0c8.8 0 16 7.2 16 16s-7.2 16-16 16l-32 0 0 48c0 8.8-7.2 16-16 16s-16-7.2-16-16l0-64 0-64z\" fill=\"#0047a7\"\u003e\u003c\/path\u003e\u003c\/svg\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eDownload Lunar Landscapes eBook\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/davidastro.com\/pages\/celestron-warranty-policy\" rel=\"noopener\" target=\"_blank\"\u003eCelestron 2-Year Warranty\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Celestron","offers":[{"title":"Default Title","offer_id":44967145603357,"sku":"CEL-94315","price":83.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/files\/Celestron-Moon-Filter-Set-1-25-inch-94315-1__78612.1594229182.1280.1280.jpg?v=1684337125"},{"product_id":"celestron-lunar-and-planetary-filter-set-1-25","title":"Celestron Lunar and Planetary Filter Set - 1.25\"","description":"\u003cul class=\"DAV-feature-list\"\u003e\n\u003cli\u003eFour essential 1.25\" planetary filters: #12 Deep Yellow, #21 Orange, #80A Blue, and ND-96-0.3\u003c\/li\u003e\n\u003cli\u003eEnhances specific details on the Moon, Mars, Jupiter, and Saturn\u003c\/li\u003e\n\u003cli\u003eNeutral Density filter reduces brightness without altering color\u003c\/li\u003e\n\u003cli\u003eEach filter features a 26mm clear aperture and anti-reflection coatings\u003c\/li\u003e\n\u003cli\u003eDouble-threaded cells allow for stacking filters\u003c\/li\u003e\n\u003cli\u003eIncludes a hard plastic case for safe storage\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c!-- more --\u003e\n\u003cul class=\"tabs\"\u003e\n\u003cli class=\"active\"\u003eDescription\u003c\/li\u003e\n\u003cli\u003eFAQ\u003c\/li\u003e\n\u003cli\u003eSpecifications\u003c\/li\u003e\n\u003cli\u003eIn the Box\u003c\/li\u003e\n\u003cli\u003eWarranty\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul class=\"tabs-content\"\u003e\n\u003cli class=\"active\"\u003e\n\u003cdiv\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section-center\"\u003e\n\u003ch2\u003eCelestron Lunar and Planetary Filter Set - 1.25\"\u003c\/h2\u003e\n\u003cp\u003eThe Celestron Lunar and Planetary Filter Set groups four essential 1.25” filters to reveal specific surface and atmospheric details that are often invisible without them. This kit includes a #12 Deep Yellow, #21 Orange, #80A Blue, and an ND-96-0.3 Neutral Density filter, each with a 26mm clear aperture and anti-reflection coatings. The double-threaded aluminum cells allow you to stack filters, giving you advanced control over the light reaching your eyepiece.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003e#12 Deep Yellow: A 1.25\" Filter for General Planetary and Lunar Contrast\u003c\/h3\u003e\n\u003cp\u003eThe #12 Deep Yellow filter is an excellent starting point for enhancing contrast, particularly in telescopes with apertures under 4.5 inches. On the Moon, it darkens the blue-tinted maria, making subtle rilles and crater rays stand out more clearly. For planetary observers, this filter improves the visibility of equatorial belts on Jupiter and Saturn and helps define the polar ice caps and cloud structures on Mars.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003e#21 Orange \u0026amp; #80A Blue: High-Contrast Filters for Jupiter and Mars\u003c\/h3\u003e\n\u003cp\u003eThis set includes two filters targeted at specific planetary features. The #21 Orange filter is a powerful tool for Mars, sharpening the boundaries between its reddish-orange deserts and darker plains by blocking blue and green wavelengths. The #80A Blue filter excels at enhancing contrast within the cloud belts of Jupiter and highlighting the delicate structure of Saturn's polar regions and rings.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003eND-96-0.3 Neutral Density: Taming Lunar Glare and Splitting Double Stars\u003c\/h3\u003e\n\u003cp\u003eObserving the Moon at high magnification can be uncomfortably bright, washing out fine detail. The ND-96-0.3 filter reduces overall brightness without changing the Moon's natural color, allowing your eye to perceive more subtle surface features. This filter is also invaluable for separating close binary stars, as it can dim the brighter primary star just enough to reveal its fainter companion.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003e26mm Clear Aperture: Stacking Filters for Custom Transmissions\u003c\/h3\u003e\n\u003cp\u003eEach filter is mounted in a black anodized aluminum cell with a 26mm clear aperture, ensuring no vignetting with standard 1.25\" eyepieces. The cells are threaded on both sides, a critical design choice that allows you to stack filters. For example, you can combine the ND-96-0.3 filter with one of the color filters to simultaneously reduce brightness and boost contrast on a bright target like Jupiter.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhich filter in the Celestron Set is best for observing Jupiter's Great Red Spot?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe \u003cstrong\u003e#80A Blue filter\u003c\/strong\u003e is the most effective choice in this set for enhancing the visibility of Jupiter's Great Red Spot. It increases the contrast between the reddish storm system and the surrounding lighter cloud zones.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eHow do I attach a filter from the Celestron Lunar and Planetary Filter Set to my eyepiece?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eAll filters in this set are designed for 1.25\" eyepieces. Simply screw the filter into the threads on the bottom barrel of your eyepiece. You can then insert the eyepiece into your telescope's focuser as usual.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eCan I use the #12 Deep Yellow filter from this set on Mars with a 3\" refractor?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eYes, the #12 Deep Yellow is an excellent choice for smaller aperture telescopes (less than 4.5\"), making it a good match for a 3\" refractor. It will help bring out details in the Martian polar ice caps and any potential cloud formations.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhat does \"stacking\" filters mean with the Celestron 1.25\" Filter Set?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eBecause each filter cell is double-threaded, you can screw one filter directly onto another. This allows you to combine their properties. For instance, stacking the ND-96-0.3 filter with the #21 Orange filter would reduce Mars's overall brightness while still sharpening surface details, which can be useful in larger telescopes.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhy is a Neutral Density filter included in the Celestron Planetary Filter Set?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe ND-96-0.3 Neutral Density filter is primarily for lunar observation. A full or quarter Moon can be overwhelmingly bright, causing eye strain and hiding detail. The ND filter dims the view to a more comfortable level. It is also useful for splitting unequal binary stars, where the glare from the brighter star can hide its companion.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWill these filters work with a 2\" eyepiece?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eNo, this Celestron filter set is specifically designed with 1.25\" filter threads and will only attach to 1.25\" eyepieces and accessories. They are not large enough to be used with 2\" eyepieces.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ctable class=\"DAV-specifications\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eFilter Size\u003c\/td\u003e\n\u003ctd\u003e1.25\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eClear Aperture\u003c\/td\u003e\n\u003ctd\u003e26 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIncluded Filters\u003c\/td\u003e\n\u003ctd\u003e#12 Deep Yellow, #21 Orange, #80A Blue, ND-96-0.3\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCell Material\u003c\/td\u003e\n\u003ctd\u003eBlack Anodized Aluminum\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eThreads\u003c\/td\u003e\n\u003ctd\u003eDouble-threaded for stacking\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCoatings\u003c\/td\u003e\n\u003ctd\u003eAnti-reflection, anti-ghosting, scratch-resistant\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWarranty\u003c\/td\u003e\n\u003ctd\u003e2-Year Warranty\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cul class=\"DAV-grid\"\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003e#12 Deep Yellow Filter (1.25\")\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003e#21 Orange Filter (1.25\")\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003e#80A Blue Filter (1.25\")\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eND-96-0.3 Neutral Density Filter (1.25\")\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003ePlastic Carrying Case\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/davidastro.com\/pages\/celestron-warranty-policy\" rel=\"noopener\" target=\"_blank\"\u003eCelestron 2-Year Warranty\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Celestron","offers":[{"title":"Default Title","offer_id":44967149207837,"sku":"CEL-94119-10","price":76.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/products\/Celestron-Lunar-and-Planetary-Filter-Set-1-25-inch-94119-10-1__26681.1594230264.1280.1280.jpg?v=1684337236"},{"product_id":"celestron-oxygen-iii-narrowband-filter-1-25-in","title":"Celestron Oxygen III Narrowband Filter - 1.25 in","description":"\u003cul class=\"DAV-feature-list\"\u003e\n\u003cli\u003eIsolates doubly-ionized oxygen lines (496nm and 501nm)\u003c\/li\u003e\n\u003cli\u003eProvides extreme contrast for planetary and emission nebulae\u003c\/li\u003e\n\u003cli\u003eBlocks the entire visual spectrum from 400nm to 700nm\u003c\/li\u003e\n\u003cli\u003eUltra-hard, vacuum-deposited coatings prevent halos on bright stars\u003c\/li\u003e\n\u003cli\u003eStandard 1.25\" threaded barrel\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c!-- more --\u003e\n\u003cul class=\"tabs\"\u003e\n\u003cli class=\"active\"\u003eDescription\u003c\/li\u003e\n\u003cli\u003eFAQ\u003c\/li\u003e\n\u003cli\u003eSpecifications\u003c\/li\u003e\n\u003cli\u003eIn the Box\u003c\/li\u003e\n\u003cli\u003eDownloads\u003c\/li\u003e\n\u003cli\u003eWarranty\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul class=\"tabs-content\"\u003e\n\u003cli class=\"active\"\u003e\n\u003cdiv\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section-center\"\u003e\n\u003ch2\u003eCelestron Oxygen III Narrowband Filter - 1.25\"\u003c\/h2\u003e\n\u003cp\u003eThe Celestron Oxygen III Narrowband Filter for 1.25\" eyepieces isolates the critical 496nm and 501nm wavelengths emitted by planetary and emission nebulae, delivering a dramatic increase in contrast. By aggressively blocking the rest of the visual spectrum from 400nm to 700nm, this filter renders the sky background nearly black, allowing the faint, detailed structures of nebulae to become visible. Its ultra-hard, vacuum-deposited coatings are engineered to eliminate the unnatural colored halos around bright stars that can compromise views with less advanced filters.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003eIsolating the 496nm \u0026amp; 501nm OIII Lines for Maximum Contrast\u003c\/h3\u003e\n\u003cp\u003eMany of the most sought-after celestial objects, including the Veil, Ring (M57), and Orion (M42) nebulae, radiate strongly in the green-blue light of doubly-ionized oxygen (OIII). This filter acts as a gateway, passing only these two specific spectral lines at 496nm and 501nm. This narrowband approach rejects light pollution, natural skyglow, and even the light from surrounding stars, causing faint nebular structures to stand out with striking clarity.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003eAdvanced Coatings: Blocking the 400-700nm Spectrum to Eliminate Halos\u003c\/h3\u003e\n\u003cp\u003eA common issue with inferior nebula filters is the appearance of bright, colored halos around stars, an artifact of imprecise coating technology. Celestron's OIII filter uses ultra-hard, vacuum-deposited coatings that provide complete rejection of the visual spectrum from 400nm to 700nm outside the narrow OIII bandpass. This careful engineering ensures that bright stars remain tight, point-like sources without distracting artifacts, preserving the natural beauty of the starfield.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003eCelestron OIII vs. UHC Filters: Choosing the Right Tool for the Target\u003c\/h3\u003e\n\u003cp\u003eAn OIII filter is a specialist's tool, while a UHC (Ultra High Contrast) filter is a generalist. The Celestron OIII provides the highest possible contrast on objects that are rich in Oxygen-III emissions, like the Dumbbell Nebula (M27) or the Crescent Nebula (NGC 6888). A UHC filter has a broader bandpass that also includes Hydrogen-Beta light, making it useful on a wider variety of nebulae but with less pronounced contrast on OIII-specific targets. For revealing the faintest details in planetary nebulae, the OIII is the superior choice.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhat is the primary purpose of the Celestron Oxygen III 1.25\" filter?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eIts primary purpose is to dramatically increase the contrast of specific celestial objects—namely \u003cstrong\u003eplanetary and emission nebulae\u003c\/strong\u003e—by isolating the two wavelengths of light (496nm and 501nm) they predominantly emit. This makes faint details, like the filaments in the Veil Nebula, much easier to see, especially from light-polluted locations.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eHow will the Celestron OIII filter improve my view of the Orion Nebula (M42) in an 8\" SCT?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eIn an 8\" Schmidt-Cassegrain Telescope, the Celestron OIII filter will suppress the brightness of the Trapezium stars at the core of the Orion Nebula (M42), reducing glare and revealing the delicate, interwoven structures of the surrounding gas clouds. You'll be able to trace the intricate loops and wisps of nebulosity that are normally overwhelmed by the brilliance of the central stars.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eCan I see the Ring Nebula (M57) from my suburban backyard with this OIII filter?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eYes, the Ring Nebula (M57) is an excellent target for this filter. From a suburban location, the filter will darken the bright sky background, making the \"donut\" shape of the nebula pop into view with much greater contrast. It will also make it easier to detect the faint central star under steady seeing conditions.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWill this filter make stars disappear?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe filter will significantly dim most stars, which is intentional. Stars emit light across the entire spectrum, and the filter blocks almost all of it. This dimming effect is what enhances the contrast of the nebula, which shines brightly in the specific OIII wavelengths that the filter transmits.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eIs the Celestron OIII filter useful for viewing galaxies?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eNo, this filter is not recommended for galaxies. Galaxies like Andromeda (M31) are broadband objects, meaning they emit light across the entire visible spectrum. An OIII filter would block almost all of that light, making the galaxy invisible or extremely dim. For galaxies, a light pollution reduction (LPR) filter or no filter is best.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eCan I use the Celestron 1.25\" OIII filter for astrophotography?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eWhile designed for visual use, this filter can be used for imaging, particularly with monochrome cameras. It serves as the \"O\" in an \"SHO\" (Hubble palette) image, isolating the Oxygen-III data. For color cameras, a multi-bandpass filter is often a more efficient choice, but this filter will work to capture OIII signal.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ctable class=\"DAV-specifications\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eFilter Type\u003c\/td\u003e\n\u003ctd\u003eNarrowband Interference Filter\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDesignation\u003c\/td\u003e\n\u003ctd\u003eOxygen-III (OIII)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSize\u003c\/td\u003e\n\u003ctd\u003e1.25\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePrimary Bandpass\u003c\/td\u003e\n\u003ctd\u003e496nm and 501nm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBlocking Range\u003c\/td\u003e\n\u003ctd\u003e400nm - 700nm (full visual spectrum outside of bandpass)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCoatings\u003c\/td\u003e\n\u003ctd\u003eUltra-hard, multi-layer, vacuum-deposited\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eThreads\u003c\/td\u003e\n\u003ctd\u003eStandard 1.25\" filter threads (M28.5 x 0.6)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWarranty\u003c\/td\u003e\n\u003ctd\u003e2-Year Warranty\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cul class=\"DAV-grid\"\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eCelestron Oxygen III Narrowband Filter - 1.25\"\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eProtective Plastic Case\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cul class=\"DAV-grid\"\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\u003ca href=\"https:\/\/www.celestron.com\/pages\/drivers-and-software\" target=\"_blank\"\u003e\u003csvg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" viewbox=\"0 0 640 512\" class=\"DAV-img-box\"\u003e\u003cpath fill=\"#0047a7\" d=\"M128 32C92.7 32 64 60.7 64 96l0 256 64 0 0-256 384 0 0 256 64 0 0-256c0-35.3-28.7-64-64-64L128 32zM19.2 384C8.6 384 0 392.6 0 403.2C0 445.6 34.4 480 76.8 480l486.4 0c42.4 0 76.8-34.4 76.8-76.8c0-10.6-8.6-19.2-19.2-19.2L19.2 384z\"\u003e\u003c\/path\u003e\u003c\/svg\u003e \n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eDownload Software\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/davidastro.com\/pages\/celestron-warranty-policy\" rel=\"noopener\" target=\"_blank\"\u003eCelestron 2-Year Warranty\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Celestron","offers":[{"title":"Default Title","offer_id":44967149338909,"sku":"CEL-93623","price":132.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/products\/Celestron-Oxygen-III-Narrowband-Filter-1-25-in-93623-1__27739.1594230265.1280.1280.jpg?v=1684337235"},{"product_id":"celestron-oxygen-iii-narrowband-filter-2-in","title":"Celestron Oxygen III Narrowband Filter - 2 in","description":"\u003cul class=\"DAV-feature-list\"\u003e\n\u003cli\u003eIsolates the 496nm and 501nm Oxygen III wavelengths\u003c\/li\u003e\n\u003cli\u003eBlocks the entire visual spectrum from 400nm to 700nm\u003c\/li\u003e\n\u003cli\u003eUltra-hard, vacuum-deposited coatings prevent halos\u003c\/li\u003e\n\u003cli\u003eStandard 2\" filter threads\u003c\/li\u003e\n\u003cli\u003e2-Year Warranty\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c!-- more --\u003e\n\u003cul class=\"tabs\"\u003e\n\u003cli class=\"active\"\u003eDescription\u003c\/li\u003e\n\u003cli\u003eFAQ\u003c\/li\u003e\n\u003cli\u003eSpecifications\u003c\/li\u003e\n\u003cli\u003eIn the Box\u003c\/li\u003e\n\u003cli\u003eWarranty\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul class=\"tabs-content\"\u003e\n\u003cli class=\"active\"\u003e\n\u003cdiv\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section-center\"\u003e\n\u003ch2\u003eCelestron Oxygen III Narrowband Filter - 2\"\u003c\/h2\u003e\n\u003cp\u003eThe Celestron Oxygen III Narrowband Filter - 2\" is engineered to pass only the critical 496nm and 501nm wavelengths characteristic of doubly-ionized oxygen. By aggressively blocking the rest of the visual spectrum from 400nm to 700nm, it creates extreme contrast for viewing and imaging planetary and emission nebulae. This filter comes with a 2-Year Warranty, ensuring its advanced coatings perform session after session.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003eIsolating the 496nm \u0026amp; 501nm OIII Signal\u003c\/h3\u003e\n\u003cp\u003eThe faint, intricate structures within emission nebulae like the Veil Nebula or the Crescent Nebula are revealed primarily through the light of excited oxygen atoms. This filter isolates just the two OIII emission lines at 496nm and 501nm, effectively turning off the light from other sources, including light pollution and even the stars themselves. The result is a dramatic increase in contrast, allowing the delicate filaments and shells of these objects to stand out against a truly black sky background.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003eA 400-700nm Stoplight for Unwanted Star Halos\u003c\/h3\u003e\n\u003cp\u003eUnlike simpler filters, the Celestron OIII uses ultra-hard, vacuum-deposited coatings to block the entire visual spectrum from 400nm to 700nm. This meticulous approach to light suppression does more than just darken the sky—it eliminates the unnatural, colored halos that can appear around bright stars in less sophisticated designs. Your starfields remain sharp and natural, ensuring the nebula, not distracting artifacts, is the focus of your view.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eHow does the Celestron 2\" OIII filter improve views of the Veil Nebula?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe Veil Nebula is a classic supernova remnant that shines almost exclusively in Oxygen III and Hydrogen-alpha light. By isolating the OIII lines at \u003cstrong\u003e496nm and 501nm\u003c\/strong\u003e, this filter dramatically darkens the sky background, making the faint, thread-like filaments of the nebula appear significantly brighter and more detailed, even from moderately light-polluted skies.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eCan I use the Celestron Oxygen III filter for imaging the Orion Nebula (M42) from my backyard?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eYes, this is an excellent application for the filter. The core of the Orion Nebula is rich in OIII emission. Using the Celestron OIII filter will help you capture the intricate details within the Trapezium region and the surrounding nebulosity by rejecting broadband light pollution and reducing the overwhelming brightness of the nebula's stars.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWill this Celestron OIII filter help me see galaxies or star clusters?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eNo, this filter is not designed for broadband targets like galaxies and star clusters. These objects emit light across the entire visual spectrum. The OIII filter will block almost all of their light, making them extremely dim or completely invisible. It is a specialized tool exclusively for emission and planetary nebulae.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhat is the advantage of blocking the spectrum from 400nm to 700nm?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThis comprehensive blocking ensures maximum contrast by eliminating all sources of visual light except for the targeted OIII wavelengths. A key benefit of this design is the prevention of bloated stars and colored halos, which can occur when filters have \"leaks\" or less precise cutoff points, leading to cleaner and more aesthetically pleasing astrophotos.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eIs the Celestron 2\" OIII filter threaded for standard eyepieces and accessories?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eYes. The Celestron Oxygen III Narrowband Filter - 2\" is housed in a standard 2-inch cell with M48x0.75 threads. It will screw directly into the barrel of any 2\" eyepiece, diagonal, or imaging accessory that accepts standard 2\" filters.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhy are there two passbands at 496nm and 501nm?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eDoubly-ionized oxygen naturally emits light at both of these very close wavelengths. A high-quality OIII filter is designed to pass both lines to maximize the signal gathered from the nebula, resulting in a brighter and more detailed image than a filter that might only capture one.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ctable class=\"DAV-specifications\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eFilter Size\u003c\/td\u003e\n\u003ctd\u003e2\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePrimary Wavelengths\u003c\/td\u003e\n\u003ctd\u003e496nm \u0026amp; 501nm (Doubly-ionized Oxygen)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBlocking Range\u003c\/td\u003e\n\u003ctd\u003e400nm - 700nm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCoatings\u003c\/td\u003e\n\u003ctd\u003eUltra-hard, multi-layer, vacuum-deposited\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eThreads\u003c\/td\u003e\n\u003ctd\u003eM48x0.75\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWarranty\u003c\/td\u003e\n\u003ctd\u003e2-Year Warranty\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cul class=\"DAV-grid\"\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eCelestron Oxygen III Narrowband Filter - 2\"\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eProtective case\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/davidastro.com\/pages\/celestron-warranty-policy\" rel=\"noopener\" target=\"_blank\"\u003eCelestron 2-Year Limited Warranty\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Celestron","offers":[{"title":"Default Title","offer_id":44967149371677,"sku":"CEL-93624","price":174.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/products\/Celestron-Oxygen-III-Narrowband-Filter-2-in-93624-1__08282.1594230265.1280.1280.jpg?v=1684337236"},{"product_id":"celestron-uhc-lpr-filter-1-25","title":"Celestron UHC\/LPR Filter - 1.25\"","description":"\u003cul class=\"DAV-feature-list\"\u003e\n\u003cli\u003eSelectively blocks mercury vapor, sodium vapor, and natural sky glow\u003c\/li\u003e\n\u003cli\u003eAchieves over 97% transmission of critical nebula emission lines\u003c\/li\u003e\n\u003cli\u003eFeatures a moderate 60nm passband for natural views with high contrast\u003c\/li\u003e\n\u003cli\u003eEfficient H-Alpha passband at 656nm for astrophotography\u003c\/li\u003e\n\u003cli\u003eSized for standard 1.25\" eyepieces and accessories\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c!-- more --\u003e\n\u003cul class=\"tabs\"\u003e\n\u003cli class=\"active\"\u003eDescription\u003c\/li\u003e\n\u003cli\u003eFAQ\u003c\/li\u003e\n\u003cli\u003eSpecifications\u003c\/li\u003e\n\u003cli\u003eIn the Box\u003c\/li\u003e\n\u003cli\u003eWarranty\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul class=\"tabs-content\"\u003e\n\u003cli class=\"active\"\u003e\n\u003cdiv\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section-center\"\u003e\n\u003ch2\u003eCelestron UHC\/LPR Filter - 1.25\"\u003c\/h2\u003e\n\u003cp\u003eThe Celestron UHC\/LPR Filter for 1.25\" eyepieces delivers a dramatic increase in contrast by achieving over 97% transmission of key nebula wavelengths while suppressing common light pollution. Its 60nm passband provides a significant boost for telescopes in the 4\" to 11\" aperture range, darkening the sky without eliminating background star fields. This filter also includes an efficient H-Alpha passband at 656nm, making it a valuable tool for both visual observers and imagers.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003eBlocking Unwanted Light with \u0026gt;97% Transmission\u003c\/h3\u003e\n\u003cp\u003eThis Ultra High Contrast (UHC) filter is engineered to isolate and reject specific wavelengths associated with urban skyglow—primarily from mercury and sodium-vapor streetlights—and the neutral oxygen that causes natural sky glow. While aggressively blocking these sources, the advanced multi-layer dielectric coatings allow more than 97% of the light from emission nebulae to pass through. The result is a significantly darker background sky, making faint structures in objects like the Orion Nebula (M42) or Lagoon Nebula (M8) pop into view.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003eIonbeam-Hardened Durability for 1.25\" Barrels\u003c\/h3\u003e\n\u003cp\u003eCelestron employs plasma-assisted, Ionbeam-hardened coatings on the UHC\/LPR filter, creating an optical surface that is highly resistant to scratching and degradation from cleaning and environmental exposure. This modern coating technology ensures the filter's high transmission and sharp cutoffs are maintained for years of use. The precisely machined 1.25\" aluminum cell threads smoothly onto standard eyepieces, diagonals, and camera nosepieces without binding.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003eA 60nm Passband Optimized for Nebulae\u003c\/h3\u003e\n\u003cp\u003eThe filter's 60nm passband strikes a critical balance, offering a major contrast enhancement while maintaining a more natural-feeling view compared to ultra-narrowband filters. This moderate bandwidth allows enough of the stellar continuum through to keep star fields rich, which is especially appreciated by users of 4\" to 11\" telescopes. For imagers, the inclusion of the critical 656nm H-Alpha line means you can capture vital hydrogen-alpha data without needing a separate, dedicated filter.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eHow will the Celestron UHC\/LPR 1.25\" filter improve my view of the Orion Nebula (M42) from the city?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eFrom a light-polluted location, the Celestron UHC\/LPR filter will dramatically darken the greyish background sky, increasing the contrast between the nebula and its surroundings. This allows you to see fainter, extended structures in M42's outer wings and resolve more detail within the bright core of the Trapezium that would otherwise be washed out by city lights.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eIs this 1.25\" filter a good choice for my 8\" Schmidt-Cassegrain telescope?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eAbsolutely. Telescopes in the 4\" to 11\" range benefit significantly from this filter. On an 8\" SCT, the UHC\/LPR filter will provide a substantial contrast boost on emission and planetary nebulae without making the image too dim, preserving the brightness advantage of your telescope's aperture.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhat is the difference between this Celestron UHC\/LPR filter and a broadband filter?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eA UHC (Ultra High Contrast) filter like this one has a narrower passband (around 60nm) than a typical broadband or \"minus-violet\" filter. It more aggressively targets specific light pollution lines, resulting in a darker sky background and noticeably higher contrast on emission nebulae. Broadband filters offer a more subtle effect with a more natural color balance.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eCan I use the Celestron UHC\/LPR filter for astrophotography?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eYes, this filter is designed for both visual and imaging use. Its key advantage for imagers is the inclusion of an efficient H-Alpha passband at 656nm, allowing you to capture crucial red nebulosity with a color camera in a single shot, which many LPR filters block.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWill this filter help me see galaxies better?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eNo, this filter is not recommended for galaxies. Galaxies are broadband objects, meaning they emit light across the entire visible spectrum. A UHC\/LPR filter works by blocking parts of that spectrum, which will dim the view of the galaxy as much as it dims the light pollution. It is designed specifically for emission nebulae.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhat specific types of artificial light does the UHC\/LPR filter block?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe filter is designed to combat the most common sources of urban light pollution. This includes \u003cstrong\u003emercury vapor lights\u003c\/strong\u003e, \u003cstrong\u003ehigh-pressure sodium vapor lights\u003c\/strong\u003e, and \u003cstrong\u003elow-pressure sodium vapor lights\u003c\/strong\u003e. It also reduces the effects of natural \u003cstrong\u003esky glow\u003c\/strong\u003e caused by neutral oxygen emission.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ctable class=\"DAV-specifications\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eFilter Type\u003c\/td\u003e\n\u003ctd\u003eUHC\/LPR (Ultra High Contrast \/ Light Pollution Reduction)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBarrel Size\u003c\/td\u003e\n\u003ctd\u003e1.25\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePeak Transmission\u003c\/td\u003e\n\u003ctd\u003e\u0026gt;97%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePassband\u003c\/td\u003e\n\u003ctd\u003e60nm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eH-Alpha Passband\u003c\/td\u003e\n\u003ctd\u003e656nm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCoatings\u003c\/td\u003e\n\u003ctd\u003eMulti-layer dielectric, plasma assisted, Ionbeam hardened\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRecommended Aperture\u003c\/td\u003e\n\u003ctd\u003e4\" - 11\" (102mm - 280mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWarranty\u003c\/td\u003e\n\u003ctd\u003e2-Year Warranty\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cul class=\"DAV-grid\"\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cimg class=\"DAV-img-box\" alt=\"Celestron UHC\/LPR Filter - 1.25\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/products\/F7424-A_uhc_lpr_filter_125_1.jpg?v=1680126759\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eUHC\/LPR Filter - 1.25\"\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cimg class=\"DAV-img-box\" alt=\"Protective case for 1.25-inch filter\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/files\/zwo-1-25-inch-filter-case.jpg?v=1782035905\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eProtective Case\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/davidastro.com\/pages\/celestron-warranty-policy\" rel=\"noopener\" target=\"_blank\"\u003eCelestron 2-Year Limited Warranty\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Celestron","offers":[{"title":"Default Title","offer_id":44967149404445,"sku":"CEL-94123","price":132.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/products\/Celestron-UHC-LPR-Filter-1-25-in-94123-1__39582.1594230266.1280.1280.jpg?v=1684337240"},{"product_id":"celestron-uhc-lpr-filter-2","title":"Celestron UHC\/LPR Filter - 2\"","description":"\u003cul class=\"DAV-feature-list\"\u003e\n\u003cli\u003eSelectively blocks light pollution from mercury and sodium vapor lights\u003c\/li\u003e\n\u003cli\u003eAchieves over 97% light transmission for maximum brightness\u003c\/li\u003e\n\u003cli\u003e60nm bandpass enhances nebula contrast while maintaining natural star fields\u003c\/li\u003e\n\u003cli\u003eOptimized for 2\" focusers and accessories\u003c\/li\u003e\n\u003cli\u003eIonbeam-hardened coatings for scratch resistance and durability\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c!-- more --\u003e\n\u003cul class=\"tabs\"\u003e\n\u003cli class=\"active\"\u003eDescription\u003c\/li\u003e\n\u003cli\u003eFAQ\u003c\/li\u003e\n\u003cli\u003eSpecifications\u003c\/li\u003e\n\u003cli\u003eIn the Box\u003c\/li\u003e\n\u003cli\u003eDownloads\u003c\/li\u003e\n\u003cli\u003eWarranty\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul class=\"tabs-content\"\u003e\n\u003cli class=\"active\"\u003e\n\u003cdiv\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section-center\"\u003e\n\u003ch2\u003eCelestron UHC\/LPR Filter - 2\"\u003c\/h2\u003e\n\u003cp\u003eThe Celestron UHC\/LPR Filter for 2\" eyepieces dramatically increases contrast by selectively blocking artificial light pollution and natural sky glow, achieving over 97% transmission of critical nebula wavelengths within its 60nm passband. Optimized for telescopes from 4\" to 11\" in aperture, it darkens the sky background and includes a specific passband for the 656nm H-Alpha line, making faint emission structures visible from the city or deep-sky sites.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003eBlocking Key Light Pollution Lines in 4\" to 11\" Telescopes\u003c\/h3\u003e\n\u003cp\u003eThis Ultra High Contrast (UHC) filter is engineered to reject the specific wavelengths produced by mercury vapor, high and low-pressure sodium vapor lights, and the neutral oxygen emission that causes natural sky glow. By eliminating this unwanted light, the background sky appears significantly darker, allowing the faint light from emission nebulae to stand out. This targeted rejection is effective in telescopes from 4\" to 11\" in aperture, where maximizing every photon is critical.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003eA 60nm Passband Delivering \u0026gt;97% Peak Transmission\u003c\/h3\u003e\n\u003cp\u003eThe filter's design centers on a moderately wide 60nm passband, which allows it to boost nebula contrast without sacrificing a natural-looking star field. Within this window, advanced multi-layer dielectric coatings achieve a peak transmission of over 97%. This high efficiency ensures that views remain bright and detailed, preventing the dimming effect that can occur with less advanced filters and making it an ideal choice for smaller telescopes.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003eHardened Coatings and a 656nm H-Alpha Passband for Imagers\u003c\/h3\u003e\n\u003cp\u003eCelestron utilizes plasma-assisted and Ionbeam-hardened coatings, creating a durable, scratch-resistant surface that withstands regular use and cleaning. For astrophotographers, the filter's design is especially valuable as it includes an efficient passband for the critical H-Alpha emission line at 656nm. This allows DSLR and color camera users to capture the deep reds of hydrogen-rich nebulae that are often lost in city light.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003eUHC\/LPR vs. Standard Broadband Filters: A Clear Contrast Advantage\u003c\/h3\u003e\n\u003cp\u003eCompared to a typical broadband Light Pollution Reduction (LPR) filter, the Celestron UHC\/LPR provides a noticeable improvement in contrast on emission and planetary nebulae. While a broadband filter offers a more general reduction of light pollution, the UHC design more aggressively targets specific nuisance wavelengths.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSky Background:\u003c\/strong\u003e The sky view through the UHC\/LPR is significantly darker, making it easier to detect the faint, extended structures of objects like the Veil Nebula (NGC 6960).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNebula Detail:\u003c\/strong\u003e Emission nebulae appear more defined and \"pop\" from the background, revealing subtle shadings and structures that are washed out with a less selective filter.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNatural View:\u003c\/strong\u003e The 60nm passband is wide enough to maintain relatively natural star colors, avoiding the heavy color cast associated with extremely narrow \"line\" filters.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhat is the difference between this Celestron UHC\/LPR and a standard broadband filter?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe Celestron \u003cstrong\u003eUHC\/LPR (Ultra High Contrast\/Light Pollution Reduction)\u003c\/strong\u003e filter has a narrower passband (around 60nm) that more aggressively isolates the key wavelengths from emission nebulae while strongly rejecting light pollution. A standard broadband filter has a wider passband, resulting in a brighter but lower-contrast image. The UHC design produces a darker sky background and makes nebulae stand out more distinctly.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eIs the Celestron UHC\/LPR filter only for viewing nebulae?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eWhile its primary purpose is to enhance emission, planetary, and reflection nebulae, it is not strictly limited to them. The filter can help darken the sky background and improve contrast on any deep-sky object, though the effect will be most dramatic on nebulae. It is not recommended for viewing galaxies or star clusters, as it will dim these objects without providing a significant contrast benefit.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWill this filter help me see the Orion Nebula (M42) from my suburban backyard with an 8\" SCT?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eAbsolutely. An 8\" SCT is an excellent instrument for this filter. The Celestron UHC\/LPR will significantly darken the washed-out suburban sky, dramatically improving the contrast of the Orion Nebula (M42). You will be able to see more of the faint, extended nebulosity and potentially resolve more detail within the Trapezium region.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eI have a 6\" Newtonian at a dark sky site. Is the Celestron UHC\/LPR filter still useful?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eYes, even at a dark sky site, this filter is very effective. It works by blocking natural sky glow in addition to artificial light pollution. By using the filter on objects like the Lagoon Nebula (M8) or the Swan Nebula (M17), you will see a noticeable increase in contrast, making the nebulosity appear more detailed and defined against the blackness of space.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eIs the Celestron 2\" UHC\/LPR filter suitable for astrophotography?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eYes, it is well-suited for imaging with color cameras like DSLRs or dedicated astronomy cameras. The filter's broader 60nm bandpass retains good star color, and its efficient transmission of the H-Alpha wavelength at 656nm is crucial for capturing the red emission regions in many popular deep-sky targets.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eHow do I attach and use the 2\" UHC\/LPR filter?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe Celestron 2\" UHC\/LPR filter has standard 2\" filter threads (M48x0.75). It can be threaded directly onto the barrel of any 2\" eyepiece or onto a 2\" nosepiece for a camera. Simply screw it on until it is finger-tight and insert the eyepiece or camera into your telescope's focuser as usual.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ctable class=\"DAV-specifications\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eFilter Size\u003c\/td\u003e\n\u003ctd\u003e2\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFilter Type\u003c\/td\u003e\n\u003ctd\u003eUHC\/LPR (Ultra High Contrast \/ Light Pollution Reduction)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePeak Transmission\u003c\/td\u003e\n\u003ctd\u003e\u0026gt;97%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePassband\u003c\/td\u003e\n\u003ctd\u003e60nm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eH-Alpha Passband\u003c\/td\u003e\n\u003ctd\u003e656nm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCoatings\u003c\/td\u003e\n\u003ctd\u003eMulti-layer dielectric, Ionbeam hardened\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRecommended Telescopes\u003c\/td\u003e\n\u003ctd\u003e4\" - 11\" aperture\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cul class=\"DAV-grid\"\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cimg class=\"DAV-img-box\" alt=\"Celestron UHC\/LPR Filter - 2\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/files\/celestron-uhc-lpr-filter-2.jpg?v=1782200231\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eUHC\/LPR Filter - 2\"\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cimg class=\"DAV-img-box\" alt=\"Protective Plastic Case for 2-inch Filter\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/files\/2-inch-filter-case.jpg?v=1782200231\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eProtective Plastic Case\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cul class=\"DAV-grid\"\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\u003ca href=\"https:\/\/www.celestron.com\/pages\/drivers-and-software\" target=\"_blank\"\u003e\u003csvg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" viewbox=\"0 0 640 512\" class=\"DAV-img-box\"\u003e\u003cpath fill=\"#0047a7\" d=\"M128 32C92.7 32 64 60.7 64 96l0 256 64 0 0-256 384 0 0 256 64 0 0-256c0-35.3-28.7-64-64-64L128 32zM19.2 384C8.6 384 0 392.6 0 403.2C0 445.6 34.4 480 76.8 480l486.4 0c42.4 0 76.8-34.4 76.8-76.8c0-10.6-8.6-19.2-19.2-19.2L19.2 384z\"\u003e\u003c\/path\u003e\u003c\/svg\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eDownload Celestron Software\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eThis product is covered by Celestron's 2-Year Limited Warranty. For more details, please visit the \u003ca href=\"https:\/\/davidastro.com\/pages\/celestron-warranty-policy\" rel=\"noopener\" target=\"_blank\"\u003eCelestron Warranty Policy\u003c\/a\u003e page.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Celestron","offers":[{"title":"Default Title","offer_id":44967149437213,"sku":"CEL-94124","price":174.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/products\/Celestron-UHC-LPR-Filter-2-in-94124-1__66083.1594230267.1280.1280.jpg?v=1684337242"},{"product_id":"celestron-moon-filter-1-25","title":"Celestron Moon Filter - 1.25\"","description":"\u003cul class=\"DAV-feature-list\"\u003e\n\u003cli\u003eReduces overwhelming brightness and glare from the Moon\u003c\/li\u003e\n\u003cli\u003eEnhances contrast to reveal finer surface details\u003c\/li\u003e\n\u003cli\u003eThreads directly onto most standard 1.25\" eyepieces\u003c\/li\u003e\n\u003cli\u003eImproves viewing comfort, especially near the full moon phase\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c!-- more --\u003e\n\u003cul class=\"tabs\"\u003e\n\u003cli class=\"active\"\u003eDescription\u003c\/li\u003e\n\u003cli\u003eFAQ\u003c\/li\u003e\n\u003cli\u003eSpecifications\u003c\/li\u003e\n\u003cli\u003eIn the Box\u003c\/li\u003e\n\u003cli\u003eWarranty\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul class=\"tabs-content\"\u003e\n\u003cli class=\"active\"\u003e\n\u003cdiv\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section-center\"\u003e\n\u003ch2\u003eCelestron Moon Filter - 1.25\"\u003c\/h2\u003e\n\u003cp\u003eThe Celestron Moon Filter - 1.25\" is an essential accessory for observing our nearest celestial neighbor. By reducing the Moon's intense brightness, this filter allows your eye to relax and open up, revealing subtle details in crater walls, rilles, and mare that are otherwise lost to glare. Backed by a 2-year warranty, it simply threads onto any standard 1.25\" eyepiece to instantly improve your lunar viewing experience.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003eReduce Glare and See More Detail on the Moon\u003c\/h3\u003e\n\u003cp\u003eViewing the Moon, especially when it is near full, can be uncomfortably bright through a telescope. Your eye reacts to the intense light by stopping down, which hides faint contrasts and washes out surface features. The Celestron Moon Filter acts like a pair of high-quality sunglasses for your telescope, dimming the view to a comfortable level and significantly increasing contrast between light and dark areas.\u003c\/p\u003e\n\u003cp\u003eThis reduction in glare is the key to unlocking finer details. With the filter in place, you can comfortably study the complex ejecta blankets around prominent craters, trace the delicate lines of sinuous rilles, and distinguish between the different lava flows that formed the lunar seas billions of years ago.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003eSimple 1.25\" Thread-On Design for Instant Use\u003c\/h3\u003e\n\u003cp\u003eThis filter is designed for immediate and universal use. It features standard 1.25\" filter threads that screw directly onto the barrel of most 1.25\" eyepieces, regardless of the brand. Installation takes only a few seconds, transforming any of your standard eyepieces into a specialized tool for lunar observation.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eUniversal Fit:\u003c\/strong\u003e Compatible with any eyepiece that has a standard 1.25\" filter thread, making it a versatile addition to your accessory case.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBeyond the Moon:\u003c\/strong\u003e The filter is also effective at cutting the glare from Venus, allowing you to more easily discern its phases. It can also be used to dim very bright terrestrial scenes during daytime observation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eImportant Safety Note:\u003c\/strong\u003e This filter is designed for lunar and planetary viewing only. It is absolutely \u003cstrong\u003enot\u003c\/strong\u003e a solar filter and must never be used to observe the Sun.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003eIs the Celestron 1.25\" Moon Filter Right for You?\u003c\/h3\u003e\n\u003cp\u003eIf you've ever found yourself squinting at the eyepiece while observing the Moon, this filter is a necessary accessory. It's the single most effective and affordable upgrade for anyone looking to move beyond casual glances and begin serious lunar exploration. For a minimal investment, you gain the ability to see more detail and observe for longer periods in greater comfort.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhy do I need a Celestron Moon Filter to observe the Moon?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe Moon is extremely bright through a telescope, especially around its full phase. This brightness causes your pupil to contract, hiding faint details and causing eye strain. The Celestron Moon Filter reduces the light to a comfortable level, which improves contrast and allows you to see much finer surface features like small craters and rilles.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWill the Celestron Moon Filter help me see the craters Copernicus and Tycho more clearly in my 6\" Newtonian?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eAbsolutely. For bright targets like Copernicus and the extensive ray system of Tycho, the filter will cut the overwhelming glare, making the crater walls, central peaks, and surrounding ejecta blankets stand out with much greater clarity. It allows you to study these features for longer periods without discomfort.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eHow do I attach the 1.25\" Moon Filter to my eyepiece?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe filter simply screws into the threads on the bottom of the barrel of most standard 1.25\" eyepieces. Just unthread the eyepiece from your focuser or diagonal, attach the filter, and place the eyepiece back in. It takes only a few seconds.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eDoes the Celestron Moon Filter change the color of the Moon?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eMost standard moon filters are neutral density filters, meaning they reduce brightness across the entire visual spectrum equally. This dims the view without introducing any significant color cast, preserving the Moon's natural grey and white tones.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eCan I use the Celestron Moon Filter to see the phases of Venus?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eYes, the filter is very helpful for observing Venus. Venus is the brightest planet and its glare can make it difficult to see its phase clearly. The Moon Filter reduces this glare, providing a much sharper and more defined view of its crescent or gibbous shape.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eCan I use this Celestron filter to look at the Sun?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003e\u003cstrong\u003eNEVER.\u003c\/strong\u003e You must never use this Moon Filter, or any eyepiece filter, to view the Sun. It will not block the harmful infrared and ultraviolet radiation and will lead to immediate and permanent eye damage. Only use a certified solar filter that covers the entire front of your telescope.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ctable class=\"DAV-specifications\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Name\u003c\/td\u003e\n\u003ctd\u003eMoon Filter - 1.25\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBarrel Size\u003c\/td\u003e\n\u003ctd\u003e1.25\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWarranty\u003c\/td\u003e\n\u003ctd\u003e2-Year Warranty\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cul class=\"DAV-grid\"\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eCelestron Moon Filter - 1.25\"\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/davidastro.com\/pages\/celestron-warranty-policy\" rel=\"noopener\" target=\"_blank\"\u003eCelestron 2-Year Warranty\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Celestron","offers":[{"title":"Default Title","offer_id":44967149502749,"sku":"CEL-94119-A","price":18.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/products\/Celestron-1-25-inch-Moon-Filter-94119-A-1__47885.1594231057.1280.1280.jpg?v=1684337244"},{"product_id":"celestron-neutral-density-moon-filter-1-25","title":"Celestron Neutral Density Moon Filter - 1.25\"","description":"\u003cul class=\"DAV-feature-list\"\u003e\n\u003cli\u003eReduces overwhelming brightness from the Moon and bright planets\u003c\/li\u003e\n\u003cli\u003eTransmits only 13% of incoming light for comfortable viewing\u003c\/li\u003e\n\u003cli\u003eFits all standard 1.25\" eyepieces and accessories\u003c\/li\u003e\n\u003cli\u003eNeutral density glass provides true-color views without color shifting\u003c\/li\u003e\n\u003cli\u003eStackable design allows use with other planetary filters\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c!-- more --\u003e\n\u003cul class=\"tabs\"\u003e\n\u003cli class=\"active\"\u003eDescription\u003c\/li\u003e\n\u003cli\u003eFAQ\u003c\/li\u003e\n\u003cli\u003eSpecifications\u003c\/li\u003e\n\u003cli\u003eIn the Box\u003c\/li\u003e\n\u003cli\u003eWarranty\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul class=\"tabs-content\"\u003e\n\u003cli class=\"active\"\u003e\n\u003cdiv\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section-center\"\u003e\n\u003ch2\u003eCelestron Neutral Density Moon Filter - 1.25\"\u003c\/h2\u003e\n\u003cp\u003eThe Celestron Neutral Density Moon Filter for 1.25\" eyepieces makes lunar observing comfortable by cutting overwhelming glare with a specific 13% light transmission rate. This 6 g filter threads into a durable aluminum cell housing, preserving the Moon's natural colors without the tint introduced by color filters. Its stackable design allows you to combine it with other filters to enhance specific planetary features.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003eReduce Lunar Glare with 13% Light Transmission\u003c\/h3\u003e\n\u003cp\u003eA bright Moon can easily wash out surface detail and cause significant eye strain, especially through a larger telescope. This filter solves the problem by blocking 87% of the incoming light, allowing only a comfortable 13% to pass through to your eye. This reduction in brightness reveals subtle features like crater rays, rilles, and maria that are otherwise lost in the glare, transforming an overpowering view into a detailed exploration.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003eNeutral Density Design: A True-Color View of the Moon\u003c\/h3\u003e\n\u003cp\u003eUnlike simple colored filters that cut glare but also add an unnatural green or blue cast, this is a true neutral density filter. It reduces the brightness across the entire visible spectrum evenly, so the image you see is dimmed but not color-shifted. You see the Moon's subtle grays, browns, and whites exactly as they are, providing a more authentic and scientifically useful view than a basic #58 green filter can offer.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eAluminum Cell Housing:\u003c\/strong\u003e The 31mm x 11.5mm filter is housed in a precision-machined aluminum cell for durability and secure threading.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStackable Threads:\u003c\/strong\u003e The cell is threaded on both sides, allowing you to stack it with other 1.25\" filters, such as a light blue filter to enhance detail on Jupiter while simultaneously cutting its glare.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003eBeyond the Moon: Increasing Contrast on Planets and Double Stars\u003c\/h3\u003e\n\u003cp\u003eThis filter's utility isn't limited to the Moon. The 13% transmission is also highly effective for reducing the glare from bright planets like Venus and Jupiter, making it easier to spot faint cloud details or moons close to the planet's disk. For observers of binary stars, dimming a bright primary star can be the key to cleanly splitting a close, faint companion from its glare.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhy use a 13% transmission filter for the Celestron Moon Filter?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eA 13% transmission is considered the sweet spot for lunar viewing. It's dark enough to cut the painful glare of a full or gibbous Moon, especially in telescopes 6\" or larger, but not so dark that it extinguishes detail on dimmer crescent phases. It provides a comfortable, high-contrast view across the entire lunar cycle.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eHow does the Celestron Neutral Density Moon Filter compare to a color filter like a #58 Green?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eWhile both reduce brightness, the Neutral Density filter provides a true-color image by dimming all wavelengths of light equally. A #58 Green filter absorbs red and blue light, creating an artificial green tint. For accurate lunar and planetary observing, the Neutral Density filter is superior.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eCan I use this Celestron filter for viewing Venus's phases?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eAbsolutely. Venus is intensely bright, which often creates internal reflections and makes its subtle crescent phase difficult to see cleanly. This filter's 13% transmission cuts that glare significantly, providing a much sharper and more comfortable view of the planet's phases.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWill this 1.25\" filter help me split close double stars like Sirius?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eYes, it can be a very useful tool. The primary star in a pair like Sirius (Alpha Canis Majoris) can completely overwhelm its faint companion, the Pup. By reducing the primary's glare with this filter, you increase the effective contrast, making it easier for your eye to pick out the nearby companion star.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eIs the Celestron Moon Filter stackable with other 1.25\" filters?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eYes, the aluminum cell housing is threaded on both sides. This allows you to screw another filter, like a color planetary filter, directly into it. For example, you could stack it with a #21 Orange filter to enhance detail in Mars's dust storms while also taming its brightness at opposition.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eDoes this filter work for solar observing?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003e\u003cstrong\u003eNEVER.\u003c\/strong\u003e This filter is absolutely not safe for solar observing and must never be used to look at the Sun. It does not block the harmful infrared (IR) or ultraviolet (UV) radiation that causes instant and permanent eye damage. Safe solar observing requires a dedicated, full-aperture solar filter designed specifically for that purpose.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ctable class=\"DAV-specifications\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eSize Diameter\u003c\/td\u003e\n\u003ctd\u003e31.75mm (1.25\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLight Transmission\u003c\/td\u003e\n\u003ctd\u003e13%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFilter Type\u003c\/td\u003e\n\u003ctd\u003eNeutral Density\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCell Housing\u003c\/td\u003e\n\u003ctd\u003eAluminum\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStackable\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFilter Dimensions\u003c\/td\u003e\n\u003ctd\u003e31mm x 11.5mm (1.22\" x .45\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFilter Weight\u003c\/td\u003e\n\u003ctd\u003e0.21 oz (6 g)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCase Dimensions\u003c\/td\u003e\n\u003ctd\u003e54.5mm x 43mm x 18mm (2.14\" x 1.7\" x .7\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCase Weight\u003c\/td\u003e\n\u003ctd\u003e0.5 oz (14 g)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTotal Package Weight\u003c\/td\u003e\n\u003ctd\u003e0.88 oz (25 g)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cul class=\"DAV-grid\"\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eNeutral Density Moon Filter - 1.25\"\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eProtective Plastic Case\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/davidastro.com\/pages\/celestron-warranty-policy\" rel=\"noopener\" target=\"_blank\"\u003eCelestron 2-Year Warranty\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Celestron","offers":[{"title":"Default Title","offer_id":44967149568285,"sku":"CEL-94105","price":28.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/products\/Celestron-Neutral-Density-Moon-Filter-1-25-inch-94105-1__04155.1594230267.1280.1280.jpg?v=1684337250"},{"product_id":"celestron-variable-polarizing-filter-1-25","title":"Celestron Variable Polarizing Filter - 1.25”","description":"\u003cul class=\"DAV-feature-list\"\u003e\n\u003cli\u003eAdjustable light transmission from 1% to 40%\u003c\/li\u003e\n\u003cli\u003eStandard 1.25” filter format fits most eyepieces\u003c\/li\u003e\n\u003cli\u003eReduces brightness without altering an object's natural color\u003c\/li\u003e\n\u003cli\u003eEnhances detail on the Moon and planets\u003c\/li\u003e\n\u003cli\u003eDurable and lightweight aluminum cell housing\u003c\/li\u003e\n\u003cli\u003eStackable design allows use with other filters\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c!-- more --\u003e\n\u003cul class=\"tabs\"\u003e\n\u003cli class=\"active\"\u003eDescription\u003c\/li\u003e\n\u003cli\u003eFAQ\u003c\/li\u003e\n\u003cli\u003eSpecifications\u003c\/li\u003e\n\u003cli\u003eIn the Box\u003c\/li\u003e\n\u003cli\u003eDownloads\u003c\/li\u003e\n\u003cli\u003eWarranty\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul class=\"tabs-content\"\u003e\n\u003cli class=\"active\"\u003e\n\u003cdiv\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section-center\"\u003e\n\u003ch2\u003eCelestron Variable Polarizing Filter - 1.25”\u003c\/h2\u003e\n\u003cp\u003eThe Celestron Variable Polarizing Filter for 1.25” eyepieces gives you precise control over image brightness, with an adjustable light transmission ranging from a dim 1% to a moderate 40%. Weighing just 0.56 oz (16 g), this filter dials in the perfect view of bright celestial objects by simply rotating the aluminum cell housing. Unlike fixed-transmission moon filters, this variable design allows you to adapt to changing seeing conditions or target altitudes in real-time.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003eAdjustable Light Control: From 1% to 40% Transmission\u003c\/h3\u003e\n\u003cp\u003eThe core of this filter is its ability to act as a dimmer switch for your telescope. By rotating the lower ring of the two-piece filter, you can smoothly adjust the amount of light reaching your eye from 40% all the way down to just 1%. This is a significant advantage over single-transmission neutral density or moon filters, which often make the view too dark or not dark enough.\u003c\/p\u003e\n\u003cp\u003eThis level of control is essential for observing the Moon, where the ideal brightness changes dramatically with its phase. A full Moon requires maximum dimming to reduce glare and see fine rille and crater detail, while a thin crescent may only need a slight reduction in brightness. This filter adapts to any scenario without requiring you to swap out accessories.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003eLunar and Daytime Planetary Observing: Enhanced Contrast Without Color Shift\u003c\/h3\u003e\n\u003cp\u003eThe Celestron Variable Polarizing Filter reduces brightness without altering the true color of the celestial object, a critical feature for both visual observers and astro-imagers. When viewing the Moon, this neutral filtration cuts through the overwhelming glare, allowing subtle details along the terminator to become clearly defined. For imagers, it prevents bright lunar highlands from being overexposed, preserving data in your final image.\u003c\/p\u003e\n\u003cp\u003eThis filter also excels at daytime astronomy. It can be used to darken the bright blue sky, dramatically increasing the contrast of Venus or Jupiter against the background. This makes it possible to locate and observe planets long before sunset, extending your available viewing time.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003eSmart Design: Stackable 1.25” Aluminum Cell\u003c\/h3\u003e\n\u003cp\u003eBuilt with a lightweight yet durable aluminum cell housing, the filter adds only 0.56 oz (16 g) to your eyepiece, ensuring it won't create balance issues on your telescope. The standard 31.75mm (1.25\") filter threads are compatible with virtually all 1.25\" eyepieces and many accessories.\u003c\/p\u003e\n\u003cp\u003eFor advanced applications, the filter is stackable. Both sides of the housing are threaded, allowing you to attach additional filters, such as a color filter to bring out specific details on a planet's surface while simultaneously controlling its brightness. This adds another layer of utility, letting you create custom filter combinations for specific targets.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhy use the Celestron Variable Polarizing Filter instead of a standard Moon filter?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eA standard Moon filter has a fixed light transmission (typically 13% or 25%). The Celestron Variable Polarizing Filter allows you to adjust the brightness from \u003cstrong\u003e1% to 40%\u003c\/strong\u003e. This means you can dial in the perfect brightness for any lunar phase, telescope aperture, or seeing condition, which is impossible with a fixed filter.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWill this 1.25” filter change the color of planets like Jupiter or Mars?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eNo, it will not. The filter is designed to be color-neutral, reducing brightness across the visual spectrum evenly. This means Jupiter's cloud bands and Mars' polar caps will retain their natural colors, just at a more comfortable brightness level.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eHow does the Celestron Variable Polarizing Filter help with viewing Venus during the day?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eDaytime viewing is a challenge because the planet is faint against a bright blue sky. This filter darkens the sky background significantly, which increases the contrast and makes the planet \"pop\" into view. It allows you to find and observe planets that would otherwise be lost in the glare.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eCan I stack this filter with other 1.25\" filters?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eYes. The aluminum cell is threaded on both sides, making it fully stackable. You can, for example, thread it onto a #80A Blue filter to enhance details on Jupiter while also using the polarizing feature to reduce its overall brightness for more comfortable viewing.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eIs the Celestron Variable Polarizing Filter difficult to adjust while on the eyepiece?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eNo, it's designed for easy use at the telescope. Once threaded onto your 1.25\" eyepiece, you simply grip and rotate the bottom section of the filter housing. This smooth rotation changes the polarization angle, dimming or brightening the view without needing to remove the eyepiece.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eIs this filter useful for deep-sky objects?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eGenerally, no. Deep-sky objects like galaxies and nebulae are extremely faint, and the goal is to gather as much light as possible. This filter is designed to reduce the light from very bright objects like the Moon, planets, and double stars. Using it on a faint nebula would make it invisible.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ctable class=\"DAV-specifications\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eSize Diameter\u003c\/td\u003e\n\u003ctd\u003e31.75mm (1.25\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLight Transmission\u003c\/td\u003e\n\u003ctd\u003eAdjustable (1% to 40%)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCell Housing\u003c\/td\u003e\n\u003ctd\u003eAluminum\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStackable\u003c\/td\u003e\n\u003ctd\u003eYes, threaded on both sides\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFilter Dimensions\u003c\/td\u003e\n\u003ctd\u003e31.4mm x 22.4mm (1.23\" x .88\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFilter Weight\u003c\/td\u003e\n\u003ctd\u003e0.56 oz (16 g)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCase Dimensions\u003c\/td\u003e\n\u003ctd\u003e68mm x 28mm (2.67\" x 1.1\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCase Weight\u003c\/td\u003e\n\u003ctd\u003e0.91 oz (26 g)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTotal Package Weight\u003c\/td\u003e\n\u003ctd\u003e1.7 oz (50 g)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cul class=\"DAV-grid\"\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cimg class=\"DAV-img-box\" alt=\"Celestron 1.25-inch Variable Polarizing Filter\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/files\/Celestron-Variable-Polarizing-Filter-1.25-1.jpg?v=1782256863\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eVariable Polarizing Filter - 1.25”\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cimg class=\"DAV-img-box\" alt=\"Plastic protective case for the filter\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/files\/Celestron-Filter-Case-1.25-1.jpg?v=1782256863\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eFilter Case\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cul class=\"DAV-grid\"\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/davidastro.com\/pages\/celestron-warranty-policy\" rel=\"noopener\" target=\"_blank\"\u003eCelestron 2-Year Warranty\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Celestron","offers":[{"title":"Default Title","offer_id":44967149601053,"sku":"CEL-94107","price":60.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/products\/Celestron-Variable-Polarizing-Filter-1-25-inch-94107-1__57811.1594229204.1280.1280.jpg?v=1684337258"}],"url":"https:\/\/davidastro.com\/en-us\/collections\/celestron-filters.oembed","provider":"David Astro","version":"1.0","type":"link"}