{"product_id":"vixen-slv-9mm-eyepiece-31-7mm","title":"Vixen SLV 9mm Eyepiece (31.7mm)","description":"\u003c!-- jacobs-auto-desc v1 --\u003e\n\u003cp style=\"line-height:1.6;\"\u003eEnjoy remarkably sharp lunar, planetary, and deep-sky observations without compromising on viewing comfort. The Vixen SLV 9mm Eyepiece blends high-grade optical glass with a generous eye relief, rendering pristine contrast and edge-to-edge definition across the entire visual field.\u003c\/p\u003e\n\n\u003cdiv style=\"display:flex;flex-wrap:wrap;gap:12px;margin:18px 0;\"\u003e\n  \u003cdiv style=\"flex:1 1 150px;min-width:150px;text-align:center;padding:16px 12px;border:1px solid #E7E5E4;border-radius:12px;background:#FAFAF9;\"\u003e\n    \u003cdiv style=\"font-size:30px;line-height:1;margin-bottom:4px;\"\u003e\u003csvg width=\"1em\" height=\"1em\" viewbox=\"0 0 24 24\" fill=\"none\" stroke=\"#e06a0f\" stroke-width=\"2\" stroke-linecap=\"round\" stroke-linejoin=\"round\" style=\"vertical-align:-0.125em;flex-shrink:0;\"\u003e\u003cpath d=\"M1 12s4-8 11-8 11 8 11 8-4 8-11 8-11-8-11-8z\"\u003e\u003c\/path\u003e\u003ccircle cx=\"12\" cy=\"12\" r=\"3\"\u003e\u003c\/circle\u003e\u003c\/svg\u003e\u003c\/div\u003e\n    \u003cdiv style=\"font-weight:600;\"\u003e20mm Eye Relief\u003c\/div\u003e\n    \u003cdiv style=\"font-size:13px;color:#78716C;margin-top:2px;\"\u003eComfortable viewing, even with glasses\u003c\/div\u003e\n  \u003c\/div\u003e\n  \u003cdiv style=\"flex:1 1 150px;min-width:150px;text-align:center;padding:16px 12px;border:1px solid #E7E5E4;border-radius:12px;background:#FAFAF9;\"\u003e\n    \u003cdiv style=\"font-size:30px;line-height:1;margin-bottom:4px;\"\u003e\u003csvg width=\"1em\" height=\"1em\" viewbox=\"0 0 24 24\" fill=\"none\" stroke=\"#e06a0f\" stroke-width=\"2\" stroke-linecap=\"round\" stroke-linejoin=\"round\" style=\"vertical-align:-0.125em;flex-shrink:0;\"\u003e\u003cpolygon points=\"12 2 15.09 8.26 22 9.27 17 14.14 18.18 21.02 12 17.77 5.82 21.02 7 14.14 2 9.27 8.91 8.26 12 2\"\u003e\u003c\/polygon\u003e\u003c\/svg\u003e\u003c\/div\u003e\n    \u003cdiv style=\"font-weight:600;\"\u003eLanthanum Glass\u003c\/div\u003e\n    \u003cdiv style=\"font-size:13px;color:#78716C;margin-top:2px;\"\u003eHigh contrast right to the periphery\u003c\/div\u003e\n  \u003c\/div\u003e\n  \u003cdiv style=\"flex:1 1 150px;min-width:150px;text-align:center;padding:16px 12px;border:1px solid #E7E5E4;border-radius:12px;background:#FAFAF9;\"\u003e\n    \u003cdiv style=\"font-size:30px;line-height:1;margin-bottom:4px;\"\u003e\u003csvg width=\"1em\" height=\"1em\" viewbox=\"0 0 24 24\" fill=\"none\" stroke=\"#e06a0f\" stroke-width=\"2\" stroke-linecap=\"round\" stroke-linejoin=\"round\" style=\"vertical-align:-0.125em;flex-shrink:0;\"\u003e\u003cpolygon points=\"12 2 2 7 12 12 22 7 12 2\"\u003e\u003c\/polygon\u003e\u003cpolyline points=\"2 17 12 22 22 17\"\u003e\u003c\/polyline\u003e\u003cpolyline points=\"2 12 12 17 22 12\"\u003e\u003c\/polyline\u003e\u003c\/svg\u003e\u003c\/div\u003e\n    \u003cdiv style=\"font-weight:600;\"\u003eFully Multicoated\u003c\/div\u003e\n    \u003cdiv style=\"font-size:13px;color:#78716C;margin-top:2px;\"\u003eSuperb light transmission\u003c\/div\u003e\n  \u003c\/div\u003e\n  \u003cdiv style=\"flex:1 1 150px;min-width:150px;text-align:center;padding:16px 12px;border:1px solid #E7E5E4;border-radius:12px;background:#FAFAF9;\"\u003e\n    \u003cdiv style=\"font-size:30px;line-height:1;margin-bottom:4px;\"\u003e\u003csvg width=\"1em\" height=\"1em\" viewbox=\"0 0 24 24\" fill=\"none\" stroke=\"#e06a0f\" stroke-width=\"2\" stroke-linecap=\"round\" stroke-linejoin=\"round\" style=\"vertical-align:-0.125em;flex-shrink:0;\"\u003e\u003cpath d=\"M12 22s8-4 8-10V5l-8-3-8 3v7c0 6 8 10 8 10z\"\u003e\u003c\/path\u003e\u003c\/svg\u003e\u003c\/div\u003e\n    \u003cdiv style=\"font-weight:600;\"\u003eAnti-Roll Barrel\u003c\/div\u003e\n    \u003cdiv style=\"font-size:13px;color:#78716C;margin-top:2px;\"\u003eHexagonal housing prevents rolling\u003c\/div\u003e\n  \u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003ch3 style=\"margin:22px 0 8px;font-size:20px;\"\u003eAdvanced Optical Precision\u003c\/h3\u003e\n\u003cp style=\"line-height:1.6;\"\u003eConstructed with an intricate 7-element in 4-group optical configuration, this eyepiece uses premium lanthanum glass elements to virtually eliminate optical aberrations. Combined with complete multi-coatings across all air-to-glass surfaces, it produces brilliant, true-colour star fields and rich black backgrounds across the 50-degree apparent field of view.\u003c\/p\u003e\n\n\u003ch3 style=\"margin:22px 0 8px;font-size:20px;\"\u003eRelaxed, Fatigue-Free Observing\u003c\/h3\u003e\n\u003cp style=\"line-height:1.6;\"\u003eHigh-magnification eyepieces often require observers to press right up against the lens, but the SLV series preserves a generous 20mm eye relief. Featuring an integrated twist-up eyecup with tactile click stops, it lets you easily dial in the exact viewing height to prevent stray reflections and eye strain.\u003c\/p\u003e\n\n\u003ch3 style=\"margin:22px 0 8px;font-size:20px;\"\u003ePurpose-Built Mechanical Design\u003c\/h3\u003e\n\u003cp style=\"line-height:1.6;\"\u003eMachined with a standard 31.75mm aluminium barrel, the eyepiece slots smoothly and securely into popular focusers and diagonals. The outer body incorporates a distinct hexagonal profile, ensuring it remains stationary on accessory trays rather than rolling off into the dark.\u003c\/p\u003e\n\n\u003cdiv style=\"border-left:4px solid #e06a0f;background:#FDF1E7;padding:14px 18px;margin:18px 0;border-radius:8px;\"\u003e\n  \u003cstrong\u003e\u003csvg width=\"1em\" height=\"1em\" viewbox=\"0 0 24 24\" fill=\"none\" stroke=\"#e06a0f\" stroke-width=\"2\" stroke-linecap=\"round\" stroke-linejoin=\"round\" style=\"vertical-align:-0.125em;flex-shrink:0;\"\u003e\u003ccircle cx=\"12\" cy=\"12\" r=\"10\"\u003e\u003c\/circle\u003e\u003ccircle cx=\"12\" cy=\"12\" r=\"6\"\u003e\u003c\/circle\u003e\u003ccircle cx=\"12\" cy=\"12\" r=\"2\"\u003e\u003c\/circle\u003e\u003c\/svg\u003e Premium Lanthanum Optical Design\u003c\/strong\u003e\u003cbr\u003e\n  Specialised lanthanum glass elements deliver pinpoint star images and exceptional contrast all the way to the edge of the viewing circle.\n\u003c\/div\u003e\n\n\u003ch3 style=\"margin:22px 0 8px;font-size:20px;\"\u003eKey Features\u003c\/h3\u003e\n\u003cul style=\"list-style:none;line-height:1.7;padding-left:0;\"\u003e\n  \u003cli\u003e\n\u003csvg width=\"1em\" height=\"1em\" viewbox=\"0 0 24 24\" fill=\"none\" stroke=\"#e06a0f\" stroke-width=\"2\" stroke-linecap=\"round\" stroke-linejoin=\"round\" style=\"vertical-align:-0.125em;flex-shrink:0;\"\u003e\u003cpath d=\"M1 12s4-8 11-8 11 8 11 8-4 8-11 8-11-8-11-8z\"\u003e\u003c\/path\u003e\u003ccircle cx=\"12\" cy=\"12\" r=\"3\"\u003e\u003c\/circle\u003e\u003c\/svg\u003e \u003cstrong\u003eGenerous 20mm Eye Relief\u003c\/strong\u003e – ensures comfortable, full-field viewing for spectacle wearers and uncorrected observers alike.\u003c\/li\u003e\n  \u003cli\u003e\n\u003csvg width=\"1em\" height=\"1em\" viewbox=\"0 0 24 24\" fill=\"none\" stroke=\"#e06a0f\" stroke-width=\"2\" stroke-linecap=\"round\" stroke-linejoin=\"round\" style=\"vertical-align:-0.125em;flex-shrink:0;\"\u003e\u003cpolygon points=\"12 2 2 7 12 12 22 7 12 2\"\u003e\u003c\/polygon\u003e\u003cpolyline points=\"2 17 12 22 22 17\"\u003e\u003c\/polyline\u003e\u003cpolyline points=\"2 12 12 17 22 12\"\u003e\u003c\/polyline\u003e\u003c\/svg\u003e \u003cstrong\u003e7-Element, 4-Group Design\u003c\/strong\u003e – delivers a well-corrected, flat focal plane with edge-to-edge clarity.\u003c\/li\u003e\n  \u003cli\u003e\n\u003csvg width=\"1em\" height=\"1em\" viewbox=\"0 0 24 24\" fill=\"none\" stroke=\"#e06a0f\" stroke-width=\"2\" stroke-linecap=\"round\" stroke-linejoin=\"round\" style=\"vertical-align:-0.125em;flex-shrink:0;\"\u003e\u003ccircle cx=\"12\" cy=\"12\" r=\"5\"\u003e\u003c\/circle\u003e\u003cline x1=\"12\" y1=\"1\" x2=\"12\" y2=\"3\"\u003e\u003c\/line\u003e\u003cline x1=\"12\" y1=\"21\" x2=\"12\" y2=\"23\"\u003e\u003c\/line\u003e\u003cline x1=\"4.22\" y1=\"4.22\" x2=\"5.64\" y2=\"5.64\"\u003e\u003c\/line\u003e\u003cline x1=\"18.36\" y1=\"18.36\" x2=\"19.78\" y2=\"19.78\"\u003e\u003c\/line\u003e\u003cline x1=\"1\" y1=\"12\" x2=\"3\" y2=\"12\"\u003e\u003c\/line\u003e\u003cline x1=\"21\" y1=\"12\" x2=\"23\" y2=\"12\"\u003e\u003c\/line\u003e\u003cline x1=\"4.22\" y1=\"19.78\" x2=\"5.64\" y2=\"18.36\"\u003e\u003c\/line\u003e\u003cline x1=\"18.36\" y1=\"5.64\" x2=\"19.78\" y2=\"4.22\"\u003e\u003c\/line\u003e\u003c\/svg\u003e \u003cstrong\u003eFully Multicoated Glass\u003c\/strong\u003e – maximises light throughput to reveal subtle planetary cloud bands and faint nebulae.\u003c\/li\u003e\n  \u003cli\u003e\n\u003csvg width=\"1em\" height=\"1em\" viewbox=\"0 0 24 24\" fill=\"none\" stroke=\"#e06a0f\" stroke-width=\"2\" stroke-linecap=\"round\" stroke-linejoin=\"round\" style=\"vertical-align:-0.125em;flex-shrink:0;\"\u003e\u003cline x1=\"4\" y1=\"21\" x2=\"4\" y2=\"14\"\u003e\u003c\/line\u003e\u003cline x1=\"4\" y1=\"10\" x2=\"4\" y2=\"3\"\u003e\u003c\/line\u003e\u003cline x1=\"12\" y1=\"21\" x2=\"12\" y2=\"12\"\u003e\u003c\/line\u003e\u003cline x1=\"12\" y1=\"8\" x2=\"12\" y2=\"3\"\u003e\u003c\/line\u003e\u003cline x1=\"20\" y1=\"21\" x2=\"20\" y2=\"16\"\u003e\u003c\/line\u003e\u003cline x1=\"20\" y1=\"12\" x2=\"20\" y2=\"3\"\u003e\u003c\/line\u003e\u003cline x1=\"1\" y1=\"14\" x2=\"7\" y2=\"14\"\u003e\u003c\/line\u003e\u003cline x1=\"9\" y1=\"8\" x2=\"15\" y2=\"8\"\u003e\u003c\/line\u003e\u003cline x1=\"17\" y1=\"16\" x2=\"23\" y2=\"16\"\u003e\u003c\/line\u003e\u003c\/svg\u003e \u003cstrong\u003eTwist-Up Eyecup with Click Stops\u003c\/strong\u003e – provides quick, repeatable eye-positioning while blocking ambient lighting.\u003c\/li\u003e\n  \u003cli\u003e\n\u003csvg width=\"1em\" height=\"1em\" viewbox=\"0 0 24 24\" fill=\"none\" stroke=\"#e06a0f\" stroke-width=\"2\" stroke-linecap=\"round\" stroke-linejoin=\"round\" style=\"vertical-align:-0.125em;flex-shrink:0;\"\u003e\u003cpath d=\"M12 22s8-4 8-10V5l-8-3-8 3v7c0 6 8 10 8 10z\"\u003e\u003c\/path\u003e\u003c\/svg\u003e \u003cstrong\u003eHexagonal Anti-Roll Body\u003c\/strong\u003e – stops the eyepiece from accidentally rolling off flat tables or observing trays.\u003c\/li\u003e\n  \u003cli\u003e\n\u003csvg width=\"1em\" height=\"1em\" viewbox=\"0 0 24 24\" fill=\"none\" stroke=\"#e06a0f\" stroke-width=\"2\" stroke-linecap=\"round\" stroke-linejoin=\"round\" style=\"vertical-align:-0.125em;flex-shrink:0;\"\u003e\u003cpolyline points=\"20 6 9 17 4 12\"\u003e\u003c\/polyline\u003e\u003c\/svg\u003e \u003cstrong\u003eStandard 31.75mm Aluminium Barrel\u003c\/strong\u003e – offers durable and reliable compatibility with standard 1.25-inch visual backs.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3 style=\"margin:22px 0 8px;font-size:20px;\"\u003eSpecifications\u003c\/h3\u003e\n\u003ctable style=\"width:100%;border-collapse:collapse;margin:14px 0;font-size:14px;\"\u003e\n  \u003ctr\u003e\n\u003ctd style=\"padding:9px 12px;border:1px solid #E7E5E4;font-weight:600;background:#F5F5F4;width:40%;\"\u003eFocal Length\u003c\/td\u003e\n\u003ctd style=\"padding:9px 12px;border:1px solid #E7E5E4;\"\u003e9 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd style=\"padding:9px 12px;border:1px solid #E7E5E4;font-weight:600;background:#F5F5F4;width:40%;\"\u003eBarrel Diameter\u003c\/td\u003e\n\u003ctd style=\"padding:9px 12px;border:1px solid #E7E5E4;\"\u003e31.75 mm (1.25\")\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd style=\"padding:9px 12px;border:1px solid #E7E5E4;font-weight:600;background:#F5F5F4;width:40%;\"\u003eEye Relief\u003c\/td\u003e\n\u003ctd style=\"padding:9px 12px;border:1px solid #E7E5E4;\"\u003e20 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd style=\"padding:9px 12px;border:1px solid #E7E5E4;font-weight:600;background:#F5F5F4;width:40%;\"\u003eApparent Field of View\u003c\/td\u003e\n\u003ctd style=\"padding:9px 12px;border:1px solid #E7E5E4;\"\u003e50°\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd style=\"padding:9px 12px;border:1px solid #E7E5E4;font-weight:600;background:#F5F5F4;width:40%;\"\u003eOptical Configuration\u003c\/td\u003e\n\u003ctd style=\"padding:9px 12px;border:1px solid #E7E5E4;\"\u003e7 elements \/ 4 groups\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd style=\"padding:9px 12px;border:1px solid #E7E5E4;font-weight:600;background:#F5F5F4;width:40%;\"\u003eWeight\u003c\/td\u003e\n\u003ctd style=\"padding:9px 12px;border:1px solid #E7E5E4;\"\u003e141.8 g\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3 style=\"margin:22px 0 8px;font-size:20px;\"\u003eWhat's in the Box\u003c\/h3\u003e\n\u003cul style=\"list-style:none;line-height:1.7;padding-left:0;\"\u003e\n  \u003cli\u003e\n\u003csvg width=\"1em\" height=\"1em\" viewbox=\"0 0 24 24\" fill=\"none\" stroke=\"#e06a0f\" stroke-width=\"2\" stroke-linecap=\"round\" stroke-linejoin=\"round\" style=\"vertical-align:-0.125em;flex-shrink:0;\"\u003e\u003cpolyline points=\"20 6 9 17 4 12\"\u003e\u003c\/polyline\u003e\u003c\/svg\u003e Vixen Optics 9mm SLV Series 1.25\" Eyepiece\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Vixen","offers":[{"title":"Default Title","offer_id":49452916244739,"sku":"VX37206","price":690.0,"currency_code":"NZD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/1859\/files\/VX37206.tag.0.webp?v=1791930826","url":"https:\/\/www.jacobsdigital.co.nz\/products\/vixen-slv-9mm-eyepiece-31-7mm","provider":"Jacobs Digital","version":"1.0","type":"link"}