{"product_id":"svbony-sv407-2-1x42-super-wide-angle-binoculars","title":"SVBONY SV407 2.1x42 Super Wide Angle Binoculars","description":"\u003cul class=\"DAV-feature-list\"\u003e\n\u003cli\u003e2.1x Magnification\u003c\/li\u003e\n\u003cli\u003e42mm Objective Lens Diameter\u003c\/li\u003e\n\u003cli\u003e26° Angular Field of View\u003c\/li\u003e\n\u003cli\u003eFocus-Free Optical Design\u003c\/li\u003e\n\u003cli\u003eM48*0.75 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 SV407 2.1x42mm Super Wide Angle Binoculars for Stargazing\u003c\/h2\u003e\n\u003cp\u003eThe SVBONY SV407 2.1x42mm Super Wide Angle Binoculars merge an incredibly low 2.1x magnification with large 42mm objective lenses to deliver an immense 26° true field of view, revealing stars down to an apparent visual magnitude of 9.88. A massive 19mm exit pupil produces an exceptionally bright image, while the integrated M48*0.75 threads allow for the use of standard 2\" astronomical filters to enhance 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\u003eA 26° Window on the Milky Way at 2.1x Magnification\u003c\/h3\u003e\n\u003cp\u003eUnlike conventional binoculars that isolate small objects, the SV407 provides a \"spacewalk\" perspective that frames entire constellations in a single view. The combination of 2.1x magnification and a 26° angular field of view creates an immersive experience, making it easier to trace constellation patterns and see large-scale structures like the Milky Way's dust lanes as a cohesive whole. This design bridges the gap between naked-eye viewing and high-power binoculars, providing just enough magnification to darken the sky background and reveal fainter stars without losing the context of the sky.\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\u003e42mm Objectives for a 9.88 Magnitude View\u003c\/h3\u003e\n\u003cp\u003eThe dual 42mm objective lenses gather significantly more light than the unaided eye, pushing the limiting magnitude to 9.88 under dark skies. This allows you to see thousands of stars that are otherwise invisible, populating familiar constellations with a rich, detailed star field. The lenses are fully multi-coated to maximize light transmission, ensuring the view is bright, sharp, and full of contrast, which is critical for distinguishing faint stars from the sky glow.\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\u003eFocus-Free Design with M48 Filter Threads\u003c\/h3\u003e\n\u003cp\u003eEngineered for simplicity, the SVBONY SV407 is a focus-free instrument; your eyes do the work, providing a sharp view from a few meters to infinity instantly. This makes them ideal for quickly scanning the sky without fiddling with adjustments. A key feature for astronomers is the M48*0.75 threading on each objective barrel, allowing you to attach 2\" nebula filters like a UHC or O-III to dramatically increase the contrast on emission nebulae like the North American Nebula (NGC 7000).\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eShort Eye Relief:\u003c\/strong\u003e The 9mm eye relief is a critical trade-off for the ultra-wide field. Observers who require eyeglasses for astigmatism may not be able to see the entire 26° field of view.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAdjustable IPD:\u003c\/strong\u003e The interpupillary distance adjusts from 55mm to 76mm to accommodate a wide range of users.\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\u003eSVBONY SV407 vs. Vixen SG 2.1x42: The Star-Field Binocular Concept\u003c\/h3\u003e\n\u003cp\u003eThe SV407 follows the same novel optical concept as the Vixen SG 2.1x42, offering an extremely wide, low-power view for constellation study. Both are excellent tools for learning the night sky and enjoying the rich star fields of the Milky Way.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eVixen's Advantage:\u003c\/strong\u003e The Vixen SG 2.1x42 is often cited for its premium Japanese optics and coatings, which can provide a slight edge in edge-of-field sharpness and transmission for discerning observers.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSVBONY's Advantage:\u003c\/strong\u003e The SVBONY SV407 delivers a slightly wider 26° field of view compared to the Vixen's 25°. It also provides the same core viewing experience and M48 filter compatibility at a more accessible price point, making it an outstanding value for this specialized instrument category.\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 are the SVBONY SV407 2.1x42mm binoculars actually for?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe SVBONY SV407 is a specialized \"star-field\" or \"constellation\" binocular. Its extremely low 2.1x power and massive 26° field of view are designed for sweeping the Milky Way, learning constellation patterns, and viewing large-scale phenomena like meteor showers or aurorae. They are not intended for high-magnification views of planets or small deep-sky objects.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eCan I use the SVBONY SV407 with eyeglasses given the 9mm eye relief?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe \u003cstrong\u003e9mm eye relief\u003c\/strong\u003e is very short. While you can use them with glasses, it is unlikely you will be able to see the full 26° field of view. To experience the entire immersive view, these binoculars are best used without eyeglasses. Observers with simple near or farsightedness can often observe without correction due to the focus-free design, but those with significant astigmatism will find the view compromised.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eHow do I use the M48*0.75 filter threads on the SV407 binoculars?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eEach of the 42mm objective lenses has M48x0.75 threads, which is the standard for 2\" astronomy filters. You can thread one filter onto each objective. For best results, you should use two identical filters. This is especially effective with narrowband or light pollution filters to enhance contrast on large nebulae that fit within the wide field of view.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhat will I see with the SVBONY SV407 when looking at the Orion Nebula (M42)?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eWith the SVBONY SV407, you won't just see the Orion Nebula (M42); you'll see the entire constellation of Orion in the same field of view. The nebula will appear as a faint, glowing patch, but the true benefit is seeing it in its full context, surrounded by the bright stars of Orion's belt and sword. Adding a UHC filter would make the nebula stand out more dramatically against the background sky.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eHow does the 26° field of the SV407 compare to a standard 8x42 binocular?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe difference is immense. A typical 8x42 binocular might have a field of view of 6° to 8°. The SVBONY SV407's \u003cstrong\u003e26° field of view\u003c\/strong\u003e is over three times wider. While an 8x42 binocular can frame the Pleiades star cluster (M45), the SV407 can frame the Pleiades, the Hyades, and the star Aldebaran all at once.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhy is there no focus knob on the SVBONY SV407?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe SVBONY SV407 uses a focus-free optical system. Due to the very low 2.1x magnification, the depth of field is enormous, allowing your eyes' natural ability to focus to keep everything from a few dozen feet to infinity sharp simultaneously. This makes them grab-and-go simple, with no adjustments needed during observation.\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\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eSVBONY\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMagnification\u003c\/td\u003e\n\u003ctd\u003e2.1x\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eObjective Lens Diameter\u003c\/td\u003e\n\u003ctd\u003e42mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAngular Field of View\u003c\/td\u003e\n\u003ctd\u003e26°\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eExit Pupil\u003c\/td\u003e\n\u003ctd\u003e19mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEye Relief\u003c\/td\u003e\n\u003ctd\u003e9mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLens Coating\u003c\/td\u003e\n\u003ctd\u003eFully Multi Coated\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInterpupillary Distance\u003c\/td\u003e\n\u003ctd\u003e55 - 76mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFilter Thread Size\u003c\/td\u003e\n\u003ctd\u003eM48*0.75\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eApparent Visual Magnitude\u003c\/td\u003e\n\u003ctd\u003e9.88\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 Warranty Policy\u003c\/a\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"SVBONY","offers":[{"title":"Default Title","offer_id":52861284024605,"sku":"SV-F9356A","price":101.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/files\/SVBONY-SV407-2-1x42mm-Super-Wide-Angle-Binoculars-for-Stargazing-1_cea55035-4efb-4257-951d-d5bc2309b94c.jpg?v=1788883968","url":"https:\/\/davidastro.com\/en-us\/products\/svbony-sv407-2-1x42-super-wide-angle-binoculars","provider":"David Astro","version":"1.0","type":"link"}