{"title":"Oculaires Plössl SVBONY SV131","description":"\u003cp\u003eLes oculaires Plössl SVBONY SV131 reprennent la formule classique à quatre lentilles, avec un champ apparent de 48° et un coulant 1.25\". Six focales couvrent la plage habituelle : 40mm et 32mm pour balayer à faible grossissement les champs d'étoiles et les grands amas, 25mm et 17mm pour l'observation courante, 12mm et 6mm pour la Lune et les planètes.\u003c\/p\u003e\u003cp\u003eIls permettent de compléter ou de remplacer simplement les oculaires fournis avec un télescope de débutant.\u003c\/p\u003e","products":[{"product_id":"svbony-sv131-32mm-48-plossl-eyepiece-125in","title":"SVBONY SV131 32mm 48° Plössl Eyepiece - 1.25\"","description":"\u003cul class=\"DAV-feature-list\"\u003e\n\u003cli\u003e32mm Focal Length\u003c\/li\u003e\n\u003cli\u003e48° Apparent Field of View\u003c\/li\u003e\n\u003cli\u003e1.25\" Barrel Diameter\u003c\/li\u003e\n\u003cli\u003e19mm Eye Relief\u003c\/li\u003e\n\u003cli\u003eFully Multi-Coated (FMC) Optics\u003c\/li\u003e\n\u003cli\u003eAccepts Standard 1.25\" Filters (M28.5*0.6)\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\u003eSVBONY SV131 Plossl Eyepiece 32mm 1.25inch 48 Degrees for Telescope\u003c\/h2\u003e\n\u003cp\u003eThe SVBONY SV131 Plossl Eyepiece combines a 32mm focal length with a 48° apparent field of view, utilizing a 25mm field stop to deliver a wide true field in any 1.25-inch focuser. Its 4-element, 2-group optical design features fully multi-coated surfaces and provides a comfortable 19mm of eye relief, making it an excellent low-power eyepiece for extended deep-sky viewing sessions.\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\u003e32mm Focal Length: A Bright, 48° Field for Deep-Sky Sweeping\u003c\/h3\u003e\n\u003cp\u003eWith its 32mm focal length, the SV131 delivers low magnification and a bright image, making it ideal for locating celestial objects and observing large-scale deep-sky targets. The 25mm internal field stop is near the maximum possible for the 1.25-inch format, ensuring you see the widest possible true field of view for framing entire open clusters like the Pleiades (M45) or sprawling nebulae like the Orion Nebula (M42).\u003c\/p\u003e\n\u003cp\u003eThe classic 4-element Plössl design is enhanced with Fully Multi-Coated (FMC) optics and matte blackened lens edges. This combination maximizes light transmission and eliminates internal reflections, resulting in high-contrast views where faint objects stand out against a dark 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\u003e19mm Eye Relief and All-Metal Build\u003c\/h3\u003e\n\u003cp\u003eThe SV131 is designed for comfort during long nights at the telescope, featuring a generous 19mm of eye relief. This allows most observers, including those who wear eyeglasses for astigmatism, to see the entire 48° field of view without strain. A soft rubber eyecup helps to position your eye correctly and block stray light.\u003c\/p\u003e\n\u003cp\u003eBuilt from metal and optical glass, the eyepiece has a solid, durable feel. The barrel is chrome-plated for smooth operation in the focuser, and an eco-friendly rubber non-slip ring provides a secure grip, even with gloves on, preventing accidental drops on cold nights.\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\u003eSV131 32mm Plössl vs. Kit Eyepieces: A Worthy First Upgrade\u003c\/h3\u003e\n\u003cp\u003eCompared to the standard 20mm or 25mm eyepieces often included with beginner telescopes, the SVBONY SV131 32mm Plössl is a significant step up. It offers a wider true field of view, making it much easier to find objects and appreciate large star clusters and nebulae in their entirety.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eWider True Field:\u003c\/strong\u003e The 32mm focal length provides lower magnification, expanding the patch of sky you can see at one time.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSuperior Coatings:\u003c\/strong\u003e Fully Multi-Coated (FMC) optics transmit significantly more light and reduce glare compared to the single-coated or partially-coated lenses of most kit eyepieces.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBetter Construction:\u003c\/strong\u003e The SV131's all-metal body and blackened lens edges offer improved durability and contrast over the often plastic-bodied kit eyepieces.\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 SVBONY SV131 32mm Plössl eyepiece best for?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe SVBONY SV131 32mm is ideal for low-power, wide-field observing. It excels at viewing large deep-sky objects such as open star clusters, large nebulae like the North American Nebula (NGC 7000), and the Andromeda Galaxy (M31). It's also an excellent \"finder\" eyepiece for locating targets before switching to higher magnification.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eHow will the SVBONY SV131 32mm perform for viewing the Andromeda Galaxy (M31) in an 8-inch f\/10 SCT?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eIn a typical 8\" f\/10 SCT with a 2000mm focal length, the SVBONY SV131 32mm will provide 62.5x magnification. This is an ideal power for framing the bright core and faint outer extensions of the Andromeda Galaxy (M31), making it a superb choice for this and other large galaxies.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eDoes the SVBONY SV131 32mm Plössl accept 1.25-inch filters?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eYes. The 1.25-inch barrel is threaded with the standard \u003cstrong\u003eM28.5*0.6\u003c\/strong\u003e pitch, making it compatible with all standard 1.25-inch astronomy filters, such as light pollution, nebula, or planetary color filters.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eIs the SVBONY SV131 32mm a good upgrade from the 25mm eyepiece that came with my telescope?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eAbsolutely. It is a very popular first upgrade. Compared to most 25mm kit eyepieces, the SVBONY SV131 offers a wider true field of view for easier object locating, lower magnification for brighter images of faint objects, and superior \u003cstrong\u003eFully Multi-Coated (FMC)\u003c\/strong\u003e optics for improved contrast and light transmission.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eIs the 19mm eye relief on the SVBONY SV131 32mm eyepiece suitable for eyeglass wearers?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eYes, \u003cstrong\u003e19mm of eye relief\u003c\/strong\u003e is considered long and is very comfortable for most observers who need to wear glasses to correct for astigmatism. You should be able to see the entire 48-degree field of view with your glasses on.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eCan I use the SVBONY SV131 32mm Plössl to find objects in my Dobsonian telescope?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eYes, it's an excellent choice for that purpose. The low power and wide field of view make the SVBONY SV131 32mm a perfect \"finder\" or \"sweeper\" eyepiece for a Dobsonian. It allows you to scan large areas of the Milky Way and easily star-hop to your desired target.\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\u003eEyepiece Type\u003c\/td\u003e\n\u003ctd\u003ePlossl\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFocal Length\u003c\/td\u003e\n\u003ctd\u003e32mm\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\u003eApparent Field of View\u003c\/td\u003e\n\u003ctd\u003e48°\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOptical Design\u003c\/td\u003e\n\u003ctd\u003e4 Elements in 2 Groups\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLens Coating\u003c\/td\u003e\n\u003ctd\u003eFully Multi-Coated (FMC)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eField Stop Diameter\u003c\/td\u003e\n\u003ctd\u003e25mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEye Relief\u003c\/td\u003e\n\u003ctd\u003e19mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eExit Pupil\u003c\/td\u003e\n\u003ctd\u003e23mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFilter Threads\u003c\/td\u003e\n\u003ctd\u003eM28.5*0.6 (Standard 1.25\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLens Edge Treatment\u003c\/td\u003e\n\u003ctd\u003eMatt Blackened\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEyecup Type\u003c\/td\u003e\n\u003ctd\u003eRubber\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGrip\u003c\/td\u003e\n\u003ctd\u003eNon-slip Cover\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaterials\u003c\/td\u003e\n\u003ctd\u003eMetal \u0026amp; Optical Glass\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNet Weight\u003c\/td\u003e\n\u003ctd\u003e116.5 g \/ 4.11 oz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003eØ61 x 104mm\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\u003c\/ul\u003e\n\u003c\/li\u003e\n\n\u003cli\u003e\n\u003ca href=\"https:\/\/davidastro.com\/pages\/svbony-warranty-policy\" rel=\"noopener\" target=\"_blank\"\u003eSVBONY 1-Year Warranty\u003c\/a\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"SVBONY","offers":[{"title":"Default Title","offer_id":52861231169821,"sku":"SV-W9101A","price":34.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/files\/SVBONY-SV131-Plossl-Eyepiece-32mm-1-25inch-48-Degrees-for-Telescope-1_cd56b83a-0f97-499f-958d-449bf3788393.jpg?v=1788883225"},{"product_id":"svbony-sv131-6mm-48-plossl-eyepiece-125in","title":"SVBONY SV131 6mm 48° Plössl Eyepiece - 1.25\"","description":"\u003cul class=\"DAV-feature-list\"\u003e\n\u003cli\u003eAvailable in 6mm, 12mm, 17mm, 25mm, and 40mm Focal Lengths\u003c\/li\u003e\n\u003cli\u003eClassic 4-Element, 2-Group Plössl Optical Design\u003c\/li\u003e\n\u003cli\u003e1.25\" Barrel Diameter Fits Standard Focusers\u003c\/li\u003e\n\u003cli\u003eFully Multi-Coated (FMC) Optics for Clear Views\u003c\/li\u003e\n\u003cli\u003e19mm Eye Relief for Comfortable Observation\u003c\/li\u003e\n\u003cli\u003eStandard M28.5*0.6 Filter Threads\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\u003eSvbony SV131 1.25\" Plossl Eyepiece (6\/12\/17\/25\/40mm)\u003c\/h2\u003e\n\u003cp\u003eThe Svbony SV131 1.25\" Plössl Eyepiece series offers a significant upgrade over standard kit eyepieces, featuring a classic 4-element, 2-group optical design across its 6mm, 12mm, 17mm, 25mm, and 40mm focal lengths. With a generous 19mm of eye relief and standard M28.5*0.6 threads for 1.25\" filters, these eyepieces are built for comfortable, high-contrast views of a wide range of celestial objects.\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\u003eClassic 4-Element Plössl Optics with Full Multi-Coatings\u003c\/h3\u003e\n\u003cp\u003eThe SV131 series adheres to the time-tested 4-element, 2-group Plössl design, known for delivering sharp, well-corrected images. Svbony enhances this design with True FMC (Fully Multi-Coated) optics, which increases light transmission and reduces internal reflections for brighter, higher-contrast views. The lens edges are also blackened to further minimize stray light and improve image clarity, making them effective for observing faint deep-sky objects.\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\u003eDurable All-Metal Build with M28.5*0.6 Filter Threads\u003c\/h3\u003e\n\u003cp\u003eUnlike many eyepieces included with beginner telescopes, the SV131 features a full-metal housing with a chrome-plated 1.25\" barrel for durability and a secure fit in your focuser. The barrel is threaded with the standard M28.5*0.6 pitch, allowing you to easily attach any 1.25\" planetary, nebula, or polarizing filter. The interior of the housing is matted to prevent internal reflections from degrading the image.\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\u003eComfortable Viewing with 19mm of Eye Relief\u003c\/h3\u003e\n\u003cp\u003eA notable feature of the SV131 design is its 19mm of eye relief, which allows you to position your eye at a comfortable distance from the lens without straining to see the full field. This is a significant advantage over many short focal length Plössls that have very tight eye relief. This design reduces eye fatigue during long observing sessions and makes viewing easier for those who wear glasses.\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\u003eSvbony SV131 vs. Standard Kit Eyepieces: A Worthwhile Upgrade\u003c\/h3\u003e\n\u003cp\u003eIf your telescope came with basic Kellner or Huygens eyepieces, the Svbony SV131 Plössl series represents a clear step up in optical and build quality without a premium price tag. The key differences are immediately noticeable at the eyepiece.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eOptical Coatings:\u003c\/strong\u003e Most kit eyepieces are only single-coated or partially coated, leading to dimmer views and more glare. The SV131's Fully Multi-Coated optics deliver visibly brighter and higher-contrast images.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBuild Materials:\u003c\/strong\u003e The all-metal construction of the SV131 is more robust than the plastic bodies of many bundled eyepieces, ensuring longevity and a more solid feel.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInternal Baffling:\u003c\/strong\u003e The matte blackened interior and lens edges in the SV131 provide better stray light control, resulting in a darker sky background and making it easier to see faint details.\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\"\u003eWhich Svbony SV131 focal length is best for viewing Saturn with my 6\" f\/8 reflector?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eFor high-power planetary viewing, the \u003cstrong\u003e6mm Svbony SV131\u003c\/strong\u003e is an excellent choice. In a 6\" f\/8 telescope (1200mm focal length), it will provide 200x magnification (1200mm \/ 6mm), which is ideal for resolving details like the Cassini Division in Saturn's rings or cloud bands on Jupiter under good seeing conditions.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eCan I use the 40mm Svbony SV131 to see the entire Andromeda Galaxy (M31)?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eYes, the \u003cstrong\u003e40mm SV131\u003c\/strong\u003e is designed for wide-field views of large deep-sky objects. In most telescopes, it will provide the lowest magnification and widest true field of view in the 1.25\" format, making it perfect for framing the full extent of the Andromeda Galaxy (M31), the Pleiades (M45), or sweeping through the Milky Way.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhat does the 4-element, 2-group design of the SV131 Plössl mean for my views?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThis is the classic Plössl optical formula, consisting of two cemented doublet lenses. It is highly regarded for its excellent on-axis sharpness, good color correction, and high light transmission due to the low number of glass-to-air surfaces. It provides a clean, clear view that is a significant improvement over simpler 2- or 3-element eyepiece designs.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eIs the 19mm eye relief on the SV131 Plössl comfortable for eyeglass wearers?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eYes, with \u003cstrong\u003e19mm of eye relief\u003c\/strong\u003e, the SV131 series is generally very comfortable for observers who wear glasses. You should be able to see the entire field of view with your glasses on, which is often not possible with eyepieces that have shorter eye relief (typically under 15mm).\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eHow do I attach a 1.25\" filter to the Svbony SV131 eyepiece?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe bottom of the silver 1.25\" barrel on every Svbony SV131 eyepiece is threaded with standard \u003cstrong\u003eM28.5*0.6 threads\u003c\/strong\u003e. You can simply screw any standard 1.25\" astronomy filter, such as a moon filter or a light pollution filter, directly into these threads.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhat are the benefits of Fully Multi-Coated (FMC) optics on the SV131?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003e\u003cstrong\u003eFully Multi-Coated (FMC)\u003c\/strong\u003e means that all glass-to-air surfaces have been coated with multiple layers of anti-reflective material. This dramatically increases light transmission to your eye and reduces glare and ghosting from internal reflections. The result is a brighter, sharper, and higher-contrast image compared to eyepieces with single or partial coatings.\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\u003eFocal Lengths\u003c\/td\u003e\n\u003ctd\u003e6mm, 12mm, 17mm, 25mm, 40mm\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\u003eOptical Design\u003c\/td\u003e\n\u003ctd\u003e4-Element, 2-Group Plössl\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCoatings\u003c\/td\u003e\n\u003ctd\u003eFully Multi-Coated (FMC)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEye Relief\u003c\/td\u003e\n\u003ctd\u003e19mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFilter Threads\u003c\/td\u003e\n\u003ctd\u003eM28.5 x 0.6 (Standard for 1.25\" filters)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLens Edge Blackening\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHousing Material\u003c\/td\u003e\n\u003ctd\u003eAll-metal\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\"\u003eSV131 1.25\" Plössl Eyepiece (Selected Focal Length)\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\n\u003cli\u003e\n\u003ca href=\"https:\/\/davidastro.com\/pages\/svbony-warranty-policy\" rel=\"noopener\" target=\"_blank\"\u003eSvbony 1-Year Warranty\u003c\/a\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"SVBONY","offers":[{"title":"Default Title","offer_id":52861231235357,"sku":"SV-W9101B","price":19.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/files\/SVBONY-SV131-1-25-Plossl-Eyepiece-6-12-17-25-40mm-for-Telescope-1_7625733a-c728-4db0-bd8a-2ebc637f6273.jpg?v=1788659733"},{"product_id":"svbony-sv131-12mm-48-plossl-eyepiece-125in","title":"SVBONY SV131 12mm 48° Plössl Eyepiece - 1.25\"","description":"\u003cul class=\"DAV-feature-list\"\u003e\n\u003cli\u003eClassic Plossl Optical Design\u003c\/li\u003e\n\u003cli\u003eFully Multi-Coated (FMC) Optics\u003c\/li\u003e\n\u003cli\u003eStandard 1.25\" Barrel with Filter Threads\u003c\/li\u003e\n\u003cli\u003eAll-Metal Construction\u003c\/li\u003e\n\u003cli\u003eBlackened Lens Edges to Reduce Internal Reflections\u003c\/li\u003e\n\u003cli\u003eRubber Anti-Slip Grip\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\u003eSvbony SV131 1.25\" Plossl Eyepiece\u003c\/h2\u003e\n\u003cp\u003eThe Svbony SV131 1.25\" Plossl Eyepiece series offers a classic, reliable optical design ideal for a wide range of astronomical viewing. With fully multi-coated optics and blackened lens edges, these eyepieces are engineered to deliver bright, high-contrast images of deep-sky objects like nebulae and star clusters. The standard 1.25-inch barrel is threaded for filters, and the robust all-metal construction ensures durability at the telescope.\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\u003eSV131 Optical System: A High-Contrast Plossl Design\u003c\/h3\u003e\n\u003cp\u003eThe SV131 series uses the proven four-element Plossl optical design, known for providing sharp, well-corrected views. Every air-to-glass surface features true full-bandwidth multi-layer coatings (FMC) to boost light transmission and image brightness. To further improve contrast and eliminate internal reflections that can wash out faint details, the lens edges are carefully blackened.\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\u003eRobust Construction for Reliable Field Use\u003c\/h3\u003e\n\u003cp\u003eBuilt for durability, each Svbony SV131 eyepiece features an all-metal body with a chrome-plated barrel that resists wear. The interior of the barrel is matte-blackened with threading to trap stray light before it reaches the eye. An eco-friendly rubber anti-slip ring provides a secure grip, even with gloves on, preventing accidental drops during cold nights.\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\u003eComfortable Viewing with Standard 1.25\" Filter Threads\u003c\/h3\u003e\n\u003cp\u003eThese eyepieces are designed for comfortable, long observing sessions, offering generous eye relief that helps reduce eye fatigue. The standard 1.25\" barrel format ensures compatibility with virtually any telescope focuser or diagonal. Each eyepiece includes standard M28.5x0.6 filter threads, allowing you to easily attach color planetary filters or light pollution filters to enhance your views.\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 makes the Svbony SV131 Plossl a good choice for deep-sky objects?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe \u003cstrong\u003efully multi-coated optics\u003c\/strong\u003e and \u003cstrong\u003eblackened lens edges\u003c\/strong\u003e maximize light transmission and contrast. This makes the Svbony SV131 effective for viewing faint, diffuse objects like galaxies, star clusters such as the Pleiades (M45), and nebulae like the Orion Nebula (M42).\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eHow does the build quality of the Svbony SV131 eyepiece contribute to observing?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe \u003cstrong\u003eall-metal construction\u003c\/strong\u003e provides durability for field use, while the \u003cstrong\u003echrome-plated barrel\u003c\/strong\u003e resists scratches. The \u003cstrong\u003erubber anti-slip grip\u003c\/strong\u003e ensures secure handling, which is especially useful in cold or damp conditions, preventing accidental drops that could damage the eyepiece.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eCan I use filters with the Svbony SV131 Plossl eyepieces?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eYes. Each Svbony SV131 eyepiece has a \u003cstrong\u003estandard 1.25-inch barrel\u003c\/strong\u003e that is threaded to accept M28.5x0.6 filters. This allows you to use a wide variety of standard astronomical filters, such as light pollution, color, or nebula filters, to enhance specific details on celestial objects.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhat is the main trade-off of a Plossl design like the SV131?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe primary trade-off for a classic Plossl eyepiece is the apparent field of view, which is typically around 50 degrees. While this provides a sharp and bright image, it is narrower than more complex and expensive wide-field eyepiece designs. However, for many observers, the excellent on-axis sharpness and contrast of a Plossl are preferable.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eHow would a longer focal length Svbony SV131 eyepiece perform in my 8-inch f\/6 Dobsonian?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eA longer focal length SV131, like a 25mm or 40mm model, would provide low magnification and a wide true field of view in your Dobsonian. This makes it an excellent \"finder\" eyepiece for locating objects and for observing large star clusters or extended nebulae like the North American Nebula (NGC 7000) in their entirety.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eIs a shorter focal length Svbony SV131 eyepiece good for viewing Saturn's rings with a 102mm refractor?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eYes, a shorter focal length model from the Svbony SV131 series, such as a 6mm or 12mm, would provide higher magnification suitable for planetary viewing. In a 102mm refractor, it would allow you to resolve details like Saturn's rings, the Cassini Division (on nights of good seeing), and Jupiter's main cloud bands and Galilean moons.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ctable class=\"DAV-specifications\"\u003e\n\u003ctbody\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cul class=\"DAV-grid\"\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\n\u003cli\u003e\n\u003ca href=\"https:\/\/davidastro.com\/pages\/svbony-warranty-policy\" rel=\"noopener\" target=\"_blank\"\u003eSvbony 1-Year Warranty\u003c\/a\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"SVBONY","offers":[{"title":"Default Title","offer_id":52861231399197,"sku":"SV-W9101C","price":25.0,"currency_code":"CAD","in_stock":true}]},{"product_id":"svbony-sv131-17mm-48-plossl-eyepiece-125in","title":"SVBONY SV131 17mm 48° Plössl Eyepiece - 1.25\"","description":"\u003cul class=\"DAV-feature-list\"\u003e\n\u003cli\u003eClassic 4-Element Plössl Optical Design\u003c\/li\u003e\n\u003cli\u003eFully Multi-Coated (FMC) Optics\u003c\/li\u003e\n\u003cli\u003eStandard 1.25\" Barrel with M28.5*0.6 Filter Threads\u003c\/li\u003e\n\u003cli\u003eAll-Metal Construction with Rubber Grip\u003c\/li\u003e\n\u003cli\u003eBlackened Lens Edges to Reduce Internal Reflections\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\u003eSvbony SV131 1.25\" Plossl Eyepiece\u003c\/h2\u003e\n\u003cp\u003eThe Svbony SV131 1.25\" Plossl Eyepiece series uses a classic 4-element optical design to deliver bright, high-contrast views, making it an excellent upgrade from standard kit eyepieces. With a standard M28.5*0.6 filter thread, each eyepiece in the SV131 series accepts all 1.25-inch filters for enhancing contrast on nebulae and planets.\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\u003e4-Element Plössl Optics: FMC Coatings and Baffling\u003c\/h3\u003e\n\u003cp\u003eThe SV131 is built around the time-tested 4-element, 2-group Plössl design, known for its sharp on-axis views and excellent light transmission. Svbony enhances this design with fully multi-coated (FMC) optics to maximize brightness and contrast, which is critical for resolving faint detail in deep-sky objects like star clusters and galaxies. To further improve image quality, the lens edges are blackened to eliminate stray light and internal reflections that can wash out faint details.\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\u003e1.25-Inch All-Metal Body with Filter Threads\u003c\/h3\u003e\n\u003cp\u003eThe eyepiece features a durable, all-metal housing with a chrome-plated 1.25-inch barrel that resists wear and provides a secure fit in any standard focuser or diagonal. The interior of the barrel is matte-threaded to absorb off-axis light, ensuring a dark background sky. For secure handling, even with gloves on, an eco-friendly rubber anti-slip ring provides a confident grip and helps prevent accidental drops.\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\u003eSV131 Plössl vs. Other Eyepiece Designs: Where It Fits\u003c\/h3\u003e\n\u003cp\u003eWhile advanced wide-field eyepieces offer a more immersive experience, they come at a significantly higher cost and complexity. The Plössl design strikes a critical balance, delivering far better correction and sharpness than simpler Kellner or Huygens eyepieces that are often included with beginner telescopes. The SV131 Plössl is the logical next step for an observer wanting to see what their telescope is truly capable of without a major investment. The primary trade-off is typically a tighter eye relief compared to more expensive, complex designs, particularly in the shorter focal lengths.\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 makes the Svbony SV131 Plössl a good choice for deep-sky observing?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe Svbony SV131's \u003cstrong\u003e4-element Plössl design\u003c\/strong\u003e and \u003cstrong\u003efully multi-coated optics\u003c\/strong\u003e maximize light transmission and contrast. This makes it easier to see faint details in nebulae, star clusters, and galaxies compared to basic kit eyepieces. The blackened lens edges also contribute to a darker background, making faint objects stand out.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eCan I use filters with the Svbony SV131 eyepiece?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eYes. The Svbony SV131 features a standard \u003cstrong\u003e1.25-inch barrel\u003c\/strong\u003e with \u003cstrong\u003eM28.5*0.6 threads\u003c\/strong\u003e, making it compatible with all standard 1.25-inch astronomy filters. This allows you to use nebula filters like a UHC or O-III to improve views of emission nebulae, or colored filters to enhance details on planets.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eHow does the Svbony SV131 Plössl compare to the eyepieces that came with my telescope?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eMost entry-level telescopes come with simpler eyepiece designs like Kellner or Ramsden. The Svbony SV131 Plössl offers a significant upgrade in image sharpness, color correction, and contrast due to its more advanced 4-element design and superior coatings. You will likely notice sharper stars, especially towards the edge of the field, and better overall image brightness.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhich Svbony SV131 focal length is best for viewing the Orion Nebula (M42) in an 8\" Dobsonian?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eFor a large object like the Orion Nebula (M42) in a typical 8\" f\/6 Dobsonian, a lower-power eyepiece is ideal for framing the entire structure. A focal length in the \u003cstrong\u003e25mm to 40mm range\u003c\/strong\u003e from the SV131 series would provide a wide field of view to see the nebula and its surrounding stars. A mid-power eyepiece, like a 17mm, would then be excellent for getting a closer look at the Trapezium star cluster at its core.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWill the Svbony SV131 eyepiece work for planetary viewing of Jupiter in my 90mm refractor?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eAbsolutely. For planetary viewing, higher magnification is needed to resolve details like Jupiter's cloud bands or Saturn's rings. In a 90mm refractor (which typically has a focal length around 900mm), the shorter focal length eyepieces from the Svbony SV131 series, such as the \u003cstrong\u003e6mm or 12mm\u003c\/strong\u003e, would provide the necessary magnification for detailed planetary observation.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhat is the benefit of the all-metal construction on the Svbony SV131?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe all-metal construction provides durability and a solid feel. Unlike plastic eyepieces, the metal body is more resistant to temperature changes and physical damage. The chrome-plated barrel ensures a smooth, non-binding fit in your telescope's focuser for years of reliable use.\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\u003eSpecifications\u003c\/td\u003e\n\u003ctd\u003eData not available.\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\u003c\/ul\u003e\n\u003c\/li\u003e\n\n\u003cli\u003e\n\u003ca href=\"https:\/\/davidastro.com\/pages\/svbony-warranty-policy\" rel=\"noopener\" target=\"_blank\"\u003eSvbony 1-Year Warranty\u003c\/a\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"SVBONY","offers":[{"title":"Default Title","offer_id":52861231497501,"sku":"SV-W9101D","price":24.0,"currency_code":"CAD","in_stock":true}]},{"product_id":"svbony-sv131-25mm-48-plossl-eyepiece-125in","title":"SVBONY SV131 25mm 48° Plössl Eyepiece - 1.25\"","description":"\u003cul class=\"DAV-feature-list\"\u003e\n\u003cli\u003eClassic 4-Element Plössl Optical Design\u003c\/li\u003e\n\u003cli\u003eAvailable in 6, 12, 17, 25, and 40mm Focal Lengths\u003c\/li\u003e\n\u003cli\u003eStandard 1.25-Inch Barrel Format\u003c\/li\u003e\n\u003cli\u003eFully Multi-Coated (FMC) Optics\u003c\/li\u003e\n\u003cli\u003eAccepts Standard 1.25\" (M28.5*0.6) 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\u003eSvbony SV131 1.25\" Plossl Eyepiece (6\/12\/17\/25\/40mm)\u003c\/h2\u003e\n\u003cp\u003eThe Svbony SV131 1.25\" Plössl Eyepiece series packages a classic 4-element optical design into a modern, all-metal housing suitable for any telescope with a 1.25-inch focuser. Each eyepiece in the series, including the popular 25mm model, features standard M28.5*0.6 filter threads, allowing you to easily attach nebula or light pollution filters to enhance your views of deep-sky objects.\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 4-Element Design with Fully Multi-Coated Optics\u003c\/h3\u003e\n\u003cp\u003eThe SV131 eyepieces are built around the time-tested 4-element Plössl optical configuration, known for delivering sharp, high-contrast images. Svbony enhances this classic design with true full-bandwidth multi-layer coatings (FMC) on all air-to-glass surfaces. This treatment maximizes light transmission and, combined with matte blackened lens edges, effectively suppresses internal reflections and stray light for a cleaner, higher-contrast 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\u003eAll-Metal Construction in a 1.25-Inch Barrel\u003c\/h3\u003e\n\u003cp\u003eDurability is central to the SV131's design, which features an all-metal body and a chrome-plated 1.25-inch barrel that resists wear and provides a secure fit in your focuser. The interior of the barrel is matte-threaded to further reduce glare. For handling in the dark, an eco-friendly rubber anti-slip ring ensures a secure grip, preventing accidental drops during cold nights or when wearing gloves.\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\u003eDeep-Sky Viewing with M28.5*0.6 Filter Threads\u003c\/h3\u003e\n\u003cp\u003eThese eyepieces are well-suited for observing diffuse, low-surface-brightness targets like nebulae and star clusters. The design prioritizes a bright, clear field of view for comfortable, extended observing sessions. The inclusion of a standard M28.5*0.6 thread on the 1.25-inch barrel means you can easily add filters to combat light pollution or isolate specific wavelengths, making targets like the Orion Nebula (M42) or the Dumbbell Nebula (M27) stand out against the background sky.\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 Svbony SV131 focal length is best for locating objects in my 8\" f\/10 SCT?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eFor an 8\" f\/10 SCT, the \u003cstrong\u003e40mm or 25mm SV131 Plössl\u003c\/strong\u003e would be your best choice for a low-power \"finder\" eyepiece. These focal lengths provide a wider true field of view, making it much easier to scan the sky and locate deep-sky objects before switching to higher magnification.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eCan I use filters with the Svbony SV131 eyepiece?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eYes. All Svbony SV131 eyepieces feature a standard \u003cstrong\u003eM28.5*0.6 thread\u003c\/strong\u003e on the inside of the 1.25-inch barrel. This allows you to attach any standard 1.25-inch astronomy filter, such as a light pollution filter, a nebula filter (like an O-III or UHC), or a colored planetary filter.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhat makes the SV131 Plössl a good choice for viewing the Andromeda Galaxy (M31)?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe Andromeda Galaxy (M31) is a large, dim object that requires a bright, wide field of view. The SV131's fully multi-coated, 4-element optics deliver excellent light transmission, which is crucial for seeing the galaxy's faint outer arms. Using a lower-power model like the 40mm or 25mm will help you frame the entire galaxy in your field of view.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eIs the Svbony SV131 comfortable for long observing sessions?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eYes, the SV131 series is designed for comfortable observation. While specific eye relief varies by focal length, the optical design is intended to reduce eye fatigue during extended viewing sessions, making them a practical choice for nights spent exploring star clusters and nebulae.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhat is the optical design of the Svbony SV131 eyepiece?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe SV131 uses a classic \u003cstrong\u003ePlössl design\u003c\/strong\u003e, which consists of four optical elements arranged in two groups (two cemented doublets). This design is highly regarded for providing sharp, high-contrast views, especially for planetary and deep-sky observation, with good control over chromatic aberration.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eHow does the build quality of the SV131 hold up to frequent use?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe Svbony SV131 is built for durability. It features an \u003cstrong\u003eall-metal housing\u003c\/strong\u003e, a chrome-plated barrel to prevent scratching, and matte-blackened internal surfaces to improve contrast. The addition of a rubber grip ring also helps protect it from accidental drops, ensuring it can withstand regular use in the field.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ctable class=\"DAV-specifications\"\u003e\n\u003ctbody\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cul class=\"DAV-grid\"\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\n\u003cli\u003e\n\u003ca href=\"https:\/\/davidastro.com\/pages\/svbony-warranty-policy\" rel=\"noopener\" target=\"_blank\"\u003eSvbony 1-Year Warranty\u003c\/a\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"SVBONY","offers":[{"title":"Default Title","offer_id":52861231530269,"sku":"SV-W9101E","price":27.0,"currency_code":"CAD","in_stock":true}]},{"product_id":"svbony-sv131-40mm-48-plossl-eyepiece-125in","title":"SVBONY SV131 40mm 48° Plössl Eyepiece - 1.25\"","description":"\u003cul class=\"DAV-feature-list\"\u003e\n\u003cli\u003eClassic Plössl Optical Design\u003c\/li\u003e\n\u003cli\u003eFully Multi-Coated (FMC) Lenses\u003c\/li\u003e\n\u003cli\u003eAccepts Standard 1.25-inch Filters\u003c\/li\u003e\n\u003cli\u003eAll-Metal Barrel Construction\u003c\/li\u003e\n\u003cli\u003eAnti-Slip Rubber Grip\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\u003eSvbony SV131 1.25\" Plossl Eyepiece\u003c\/h2\u003e\n\u003cp\u003eThe Svbony SV131 1.25\" Plossl Eyepiece series offers a classic and reliable design for general-purpose astronomical viewing. Engineered for bright, clear fields of view, these eyepieces are an excellent choice for observing deep-sky objects like nebulae and star clusters. The combination of a proven optical formula and modern manufacturing delivers a comfortable and effective 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\u003eBright Views from Fully Multi-Coated Optics\u003c\/h3\u003e\n\u003cp\u003eThe SV131 Plössl eyepieces feature a true full-bandwidth, multi-layer coating (FMC) on all air-to-glass surfaces. This treatment maximizes light transmission, resulting in brighter images and higher contrast, which is critical for teasing out faint details in galaxies and nebulae. To further enhance contrast, the lens edges are blackened to eliminate internal reflections and stray light that can wash out the 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\u003eAll-Metal Body with Secure Grip\u003c\/h3\u003e\n\u003cp\u003eBuilt for durability, the Svbony SV131 features an all-metal structure with a chrome-plated 1.25-inch barrel. The barrel is threaded to accept standard M28.5*0.6 pitch filters, allowing you to easily add nebula or color filters to your setup. For secure handling in the dark or with gloves on, the eyepiece is finished with an eco-friendly rubber anti-slip ring, reducing the risk of accidental drops.\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 makes the Svbony SV131 Plössl good for deep-sky objects?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe \u003cstrong\u003efully multi-coated (FMC) optics\u003c\/strong\u003e maximize light transmission, which is crucial for seeing faint objects like nebulae and galaxies. The blackened lens edges also improve contrast by reducing internal reflections, helping these faint targets stand out against the dark sky background.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhat is the benefit of the all-metal construction on the SV131 eyepiece?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe all-metal body and chrome-plated barrel ensure the Svbony SV131 is durable and can withstand regular use in the field. This robust construction provides a more solid feel and better longevity compared to eyepieces with plastic components.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eHow does the rubber grip on the Svbony SV131 help during an observing session?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe anti-slip rubber ring provides a secure grip, which is especially useful in cold or damp conditions when handling equipment can be difficult. It makes changing eyepieces safer and easier, even when wearing gloves.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eCan I use filters with the Svbony SV131 1.25\" Plossl Eyepiece?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eYes. The 1.25-inch barrel of the SV131 is threaded with the standard M28.5*0.6 pitch, making it compatible with all standard 1.25-inch astronomical filters, such as light pollution, nebula, or planetary color filters.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eHow would the Svbony SV131 perform for viewing the Orion Nebula (M42) in a 10\" Dobsonian?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eIn a 10\" Dobsonian, an SV131 Plössl would provide bright, high-contrast views of the Orion Nebula (M42). A lower-power focal length would frame the entire nebula, while a higher-power version would allow you to resolve the Trapezium stars at its core. The FMC coatings are essential for revealing the faint, wispy details in the nebula's outer regions.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eIs the Svbony SV131 a good choice for observing Jupiter with an 8\" SCT?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eYes. A shorter focal length SV131 Plössl would be a good choice for planetary viewing in an 8\" SCT. The classic Plössl design provides sharp, on-axis views, which are ideal for discerning details like Jupiter's cloud bands and the Great Red Spot. The high light transmission will also help with observing Jupiter's moons.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ctable class=\"DAV-specifications\"\u003e\n\u003ctbody\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cul class=\"DAV-grid\"\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\n\u003cli\u003e\u003ca href=\"https:\/\/davidastro.com\/pages\/svbony-warranty-policy\" rel=\"noopener\" target=\"_blank\"\u003eSvbony 1-Year Warranty\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"SVBONY","offers":[{"title":"Default Title","offer_id":52861231563037,"sku":"SV-W9101F","price":36.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/files\/SVBONY-SV131-1-25-Plossl-Eyepiece-6-12-17-25-40mm-for-Telescope-1-W9101C_288dff12-e056-4837-b5aa-016d1af96471.jpg?v=1788883251"}],"url":"https:\/\/davidastro.com\/fr-us\/collections\/svbony-sv131-plossl-eyepieces.oembed","provider":"David Astro","version":"1.0","type":"link"}