{"product_id":"svbony-sv154-26mm-70-swa-super-wide-angle-eyepiece-2in","title":"SVBONY SV154 26mm 70° SWA Super Wide Angle Eyepiece - 2\"","description":"\u003cul class=\"DAV-feature-list\"\u003e\n\u003cli\u003e26mm Focal Length\u003c\/li\u003e\n\u003cli\u003e70° Super Wide Apparent Field of View\u003c\/li\u003e\n\u003cli\u003e20mm Eye Relief\u003c\/li\u003e\n\u003cli\u003eFits 2-inch Telescope Focusers\u003c\/li\u003e\n\u003cli\u003e5-Element \/ 3-Group Optical Design\u003c\/li\u003e\n\u003cli\u003eAccepts Standard 2\" (M48*0.75) 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 SV154 2\" 26mm SWA 70° Super Wide Angle Telescope Eyepiece\u003c\/h2\u003e\n\u003cp\u003eThe Svbony SV154 26mm SWA eyepiece delivers an immersive 70° apparent field of view, providing expansive low-power vistas in any telescope equipped with a 2-inch focuser. Its 5-element, 3-group optical design is fully multi-coated for high contrast, and the generous 20mm of eye relief ensures comfortable viewing for all observers, including those who wear glasses. A large 32.3mm field stop maximizes the illuminated area, while the standard M48*0.75 threads accept all 2\" astronomy filters for enhanced deep-sky 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\u003eThe SV154's 70° Field: Expansive Views in a 2-inch Barrel\u003c\/h3\u003e\n\u003cp\u003eThe core of the SV154's design is its 70° Super Wide Angle (SWA) apparent field, which creates a \"picture window\" effect on the night sky. This wider perspective allows you to frame large deep-sky objects like the Andromeda Galaxy (M31) or the North American Nebula (NGC 7000) in their entirety. The 5-element, 3-group lens system is fully multi-coated, increasing light transmission and reducing internal reflections for a bright, sharp image across the field.\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: 20mm Eye Relief and 305g Body\u003c\/h3\u003e\n\u003cp\u003eLong observing sessions are made easier by the SV154's thoughtful ergonomics. The 20mm of eye relief allows eyeglass wearers to see the entire 70° field without having to press their glasses against the lens. A soft, fold-down rubber eyecup helps to block stray light and position your eye correctly. At a net weight of 305g, this eyepiece is substantial enough to feel well-built without creating significant balance issues on most 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\u003eSV154 26mm SWA vs. a Standard Plössl: A Wider Perspective\u003c\/h3\u003e\n\u003cp\u003eCompared to a standard 2-inch Plössl eyepiece, which typically offers a field of view around 52°, the SV154's 70° field is noticeably more expansive. This wider canvas provides a more immersive viewing experience and makes locating objects easier, serving as an excellent low-power \"finder\" eyepiece. While a Plössl is a classic design, the SV154's 5-element SWA configuration is specifically engineered to deliver that wider, more engaging perspective on the universe.\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 main advantage of the Svbony SV154's 70° field of view?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe primary advantage of the \u003cstrong\u003e70° apparent field of view\u003c\/strong\u003e is the ability to see a much larger patch of sky at the same magnification compared to standard eyepieces. This makes it ideal for observing large star clusters, nebulae, and for simply sweeping the Milky Way. It provides a more immersive \"spacewalk\" feeling.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eIs the 20mm eye relief on the SV154 26mm eyepiece suitable for eyeglass wearers?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eYes. The \u003cstrong\u003e20mm eye relief\u003c\/strong\u003e is considered long and is very comfortable for most eyeglass wearers. It allows you to position your eye at a sufficient distance to see the entire 70° field of view without removing your glasses, which is critical for observers with astigmatism.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eHow will the Svbony SV154 perform for viewing the Andromeda Galaxy (M31) in an 8\" 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 (2032mm focal length), the SV154 26mm eyepiece will provide 78x magnification and a true field of view of nearly a full degree. This is an excellent combination for framing the bright core and inner dust lanes of the Andromeda Galaxy (M31), making it a great choice for this specific target.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eCan I use standard 2\" filters with the Svbony SV154 eyepiece?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eYes. The barrel of the Svbony SV154 is threaded for standard \u003cstrong\u003e2\" filters (M48*0.75)\u003c\/strong\u003e. This allows you to easily attach nebula filters (like UHC or O-III) or light pollution filters to enhance your views of deep-sky objects.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhat views can I expect from the SV154 26mm in a 6\" f\/5 Newtonian for observing the Orion Nebula (M42)?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eIn a 6\" f\/5 Newtonian (750mm focal length), the SV154 26mm will yield a low magnification of 29x and a very wide true field of view of about 2.4 degrees. This setup is perfect for framing the entire Orion Nebula (M42) complex, from the Trapezium cluster to the fainter outer loops, all within a single, expansive field.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eHow does the 5-element design of the Svbony SV154 benefit the view?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe \u003cstrong\u003e5-element, 3-group\u003c\/strong\u003e design allows for better correction of optical aberrations across a wide 70° field than a simpler 4-element Plössl could achieve. This more complex design is necessary to maintain sharp star images toward the edge of the field, providing a more satisfying wide-angle view.\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 Length\u003c\/td\u003e\n\u003ctd\u003e26mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eApparent Field of View\u003c\/td\u003e\n\u003ctd\u003e70°\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBarrel Size\u003c\/td\u003e\n\u003ctd\u003e2 inch\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEye Relief\u003c\/td\u003e\n\u003ctd\u003e20mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eField Stop Diameter\u003c\/td\u003e\n\u003ctd\u003e32.3mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLens Design\u003c\/td\u003e\n\u003ctd\u003e5-Elements \/ 3-Groups\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCoatings\u003c\/td\u003e\n\u003ctd\u003eFully Multi-Coated\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFilter Threads\u003c\/td\u003e\n\u003ctd\u003e2\" Standard (M48*0.75)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEyecups\u003c\/td\u003e\n\u003ctd\u003eFold-down Rubber\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e305g \/ 10.7oz \/ 0.67lb\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eColor\u003c\/td\u003e\n\u003ctd\u003eBlack\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":52861231989021,"sku":"SV-W9117B","price":50.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/files\/SVBONY-SV154-2-26mm-SWA-70-Super-Wide-Angle-Telescope-Eyepiece-1_e565c30b-3d45-4717-8f8a-6f3d463c4128.jpg?v=1788659797","url":"https:\/\/davidastro.com\/en-us\/products\/svbony-sv154-26mm-70-swa-super-wide-angle-eyepiece-2in","provider":"David Astro","version":"1.0","type":"link"}