{"product_id":"dcs-2x-barlow-lens-t-adapter-1-25-fmc","title":"DCS 2× Barlow Lens with T-Adapter – 1.25″ FMC","description":"\u003cdiv class=\"dcs-barlow-2x-fmc\" style=\"color:#173442;font-size:16px;line-height:1.7;max-width:100%;box-sizing:border-box;\"\u003e\n  \u003csection style=\"background:#102d3b;color:#fff;border-radius:16px;padding:28px;margin:0 0 24px;box-sizing:border-box;\"\u003e\n    \u003cdiv style=\"display:flex;flex-wrap:wrap;align-items:center;gap:24px;\"\u003e\n      \u003cdiv style=\"flex:1 1 260px;min-width:0;\"\u003e\n    \u003cp style=\"margin:0 0 12px;color:#78d9dc;font-size:12px;font-weight:700;letter-spacing:1.8px;\"\u003eDARK CLEAR SKIES · 1.25-INCH OPTICS\u003c\/p\u003e\n    \u003ch2 style=\"margin:0 0 16px;color:#fff;font-size:30px;line-height:1.2;\"\u003eAdd a higher-power view\u003c\/h2\u003e\n    \u003cp style=\"margin:0;color:#e7f1f4;\"\u003eThe \u003cstrong style=\"color:#fff;\"\u003eDCS 2× Barlow Lens with T-Adapter\u003c\/strong\u003e combines nominal 2× amplification with fully multi-coated optics in a 1.25-inch format. Use it to extend the magnification range of a compatible eyepiece setup, with a T-adapter connection for a suitable camera arrangement.\u003c\/p\u003e\n  \u003c\/div\u003e\n      \u003cfigure style=\"flex:0 1 200px;max-width:220px;margin:0 auto;padding:14px;background:#fff;border-radius:12px;box-sizing:border-box;\"\u003e\n        \u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0523\/1650\/4241\/files\/dcs-2x-barlow-lens-t-adapter-1-25-fmc-front.png?v=1794142310\" alt=\"DCS 1.25-inch 2x Barlow lens with T-adapter, showing the fully multi-coated marking\" width=\"574\" height=\"837\" loading=\"lazy\" style=\"display:block;width:100%;height:auto;max-height:280px;object-fit:contain;margin:0 auto;\"\u003e\n      \u003c\/figure\u003e\n    \u003c\/div\u003e\n  \u003c\/section\u003e\n\n  \u003cdiv style=\"display:flex;flex-wrap:wrap;gap:12px;margin:0 0 24px;\"\u003e\n    \u003cdiv style=\"flex:1 1 140px;background:#eff6f7;border:1px solid #dce8eb;border-radius:10px;padding:16px;box-sizing:border-box;\"\u003e\n\u003cstrong style=\"display:block;color:#102d3b;font-size:22px;\"\u003e2×\u003c\/strong\u003e\u003cspan\u003eNominal amplification\u003c\/span\u003e\n\u003c\/div\u003e\n    \u003cdiv style=\"flex:1 1 140px;background:#eff6f7;border:1px solid #dce8eb;border-radius:10px;padding:16px;box-sizing:border-box;\"\u003e\n\u003cstrong style=\"display:block;color:#102d3b;font-size:22px;\"\u003e1.25″\u003c\/strong\u003e\u003cspan\u003eEyepiece format\u003c\/span\u003e\n\u003c\/div\u003e\n    \u003cdiv style=\"flex:1 1 140px;background:#eff6f7;border:1px solid #dce8eb;border-radius:10px;padding:16px;box-sizing:border-box;\"\u003e\n\u003cstrong style=\"display:block;color:#102d3b;font-size:22px;\"\u003eFMC\u003c\/strong\u003e\u003cspan\u003eFully multi-coated optics\u003c\/span\u003e\n\u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003csection style=\"margin:0 0 28px;\"\u003e\n    \u003ch2 style=\"margin:0 0 12px;color:#102d3b;font-size:24px;line-height:1.3;\"\u003eMore choice from your eyepieces\u003c\/h2\u003e\n    \u003cp style=\"margin:0 0 14px;\"\u003eA Barlow increases the effective focal length of the telescope. With a compatible eyepiece, the nominal 2× factor gives approximately twice the magnification, offering another useful power without changing the eyepiece itself.\u003c\/p\u003e\n    \u003cdiv style=\"border-left:4px solid #087f8b;background:#f2f7f8;padding:18px 20px;margin:0 0 14px;border-radius:0 10px 10px 0;\"\u003e\n      \u003cstrong style=\"color:#102d3b;\"\u003eFor example: 50× becomes approximately 100×\u003c\/strong\u003e\n      \u003cp style=\"margin:6px 0 0;\"\u003eA 1,000 mm telescope with a 20 mm eyepiece gives 50×. Adding a nominal 2× Barlow gives approximately 100×. Your own magnification depends on the telescope, eyepiece and optical arrangement.\u003c\/p\u003e\n    \u003c\/div\u003e\n    \u003cp style=\"margin:0;\"\u003eThis can be useful for a closer look at lunar and planetary targets when the telescope and atmospheric conditions support the extra power. Start with a longer-focal-length eyepiece, refocus carefully and reduce magnification if the view becomes soft or unsteady.\u003c\/p\u003e\n  \u003c\/section\u003e\n\n  \u003csection style=\"margin:0 0 28px;\"\u003e\n    \u003ch2 style=\"margin:0 0 12px;color:#102d3b;font-size:24px;line-height:1.3;\"\u003eFully multi-coated optics\u003c\/h2\u003e\n    \u003cp style=\"margin:0;\"\u003eFMC means \u003cstrong\u003efully multi-coated\u003c\/strong\u003e. Anti-reflection coatings help reduce unwanted reflections and light loss through the optical surfaces. Higher magnification still narrows the true field of view and can make the view dimmer; it does not guarantee additional detail.\u003c\/p\u003e\n  \u003c\/section\u003e\n\n  \u003csection style=\"margin:0 0 28px;\"\u003e\n    \u003ch2 style=\"margin:0 0 12px;color:#102d3b;font-size:24px;line-height:1.3;\"\u003eVisual observing and camera connections\u003c\/h2\u003e\n    \u003cp style=\"margin:0 0 14px;\"\u003e\u003cstrong\u003eFor visual use:\u003c\/strong\u003e match the 1.25-inch Barlow to a compatible 1.25-inch eyepiece holder and eyepiece. Seat and secure each component, then refocus. Check that your focuser or diagonal provides sufficient clearance and focus travel.\u003c\/p\u003e\n    \u003cp style=\"margin:0 0 14px;\"\u003e\u003cstrong\u003eFor camera use:\u003c\/strong\u003e the T-adapter provides a camera-connection option. The complete arrangement must match your camera's fitting and any camera-specific ring or adapter requirements. Check the connection, available focus travel and camera spacing before assembling the system.\u003c\/p\u003e\n    \u003cp style=\"margin:0;\"\u003eThe amplification of a conventional Barlow can vary with spacing. Treat 2× as the nominal factor rather than a promise of exactly 2× with every camera configuration.\u003c\/p\u003e\n  \u003c\/section\u003e\n\n  \u003csection style=\"margin:0 0 28px;\"\u003e\n    \u003ch2 style=\"margin:0 0 14px;color:#102d3b;font-size:24px;line-height:1.3;\"\u003eA closer look\u003c\/h2\u003e\n    \u003cdiv style=\"display:flex;flex-wrap:wrap;gap:18px;\"\u003e\n      \u003cfigure style=\"flex:1 1 230px;min-width:0;margin:0;padding:16px;border:1px solid #dce8eb;border-radius:12px;background:#fff;box-sizing:border-box;\"\u003e\n        \u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0523\/1650\/4241\/files\/dcs-2x-barlow-t-adapter-thread-eyepiece-opening.png?v=1794142343\" alt=\"DCS 2x Barlow lens showing the eyepiece opening, external adapter thread and thumbscrew\" width=\"920\" height=\"640\" loading=\"lazy\" style=\"display:block;width:100%;height:240px;object-fit:contain;\"\u003e\n        \u003cfigcaption style=\"margin:14px 0 0;color:#435f6a;font-size:14px;line-height:1.5;\"\u003eThe eyepiece opening, external adapter thread and securing thumbscrew.\u003c\/figcaption\u003e\n      \u003c\/figure\u003e\n      \u003cfigure style=\"flex:1 1 230px;min-width:0;margin:0;padding:16px;border:1px solid #dce8eb;border-radius:12px;background:#fff;box-sizing:border-box;\"\u003e\n        \u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0523\/1650\/4241\/files\/dcs-2x-barlow-lens-through-view.png?v=1794142354\" alt=\"View through the DCS 2x Barlow lens showing the lens and inner housing\" width=\"661\" height=\"772\" loading=\"lazy\" style=\"display:block;width:100%;height:240px;object-fit:contain;\"\u003e\n        \u003cfigcaption style=\"margin:14px 0 0;color:#435f6a;font-size:14px;line-height:1.5;\"\u003eAn end-on view through the lens and its inner housing.\u003c\/figcaption\u003e\n      \u003c\/figure\u003e\n    \u003c\/div\u003e\n  \u003c\/section\u003e\n\n  \u003csection style=\"margin:0 0 28px;\"\u003e\n    \u003ch2 style=\"margin:0 0 14px;color:#102d3b;font-size:24px;line-height:1.3;\"\u003eSpecifications\u003c\/h2\u003e\n    \u003ctable style=\"width:100%;border-collapse:collapse;font-size:15px;line-height:1.5;\"\u003e\n      \u003ctbody\u003e\n        \u003ctr style=\"background:#eff6f7;\"\u003e\n\u003cth scope=\"row\" style=\"width:42%;text-align:left;padding:12px;border-bottom:1px solid #dce8eb;color:#102d3b;\"\u003eBrand\u003c\/th\u003e\n\u003ctd style=\"padding:12px;border-bottom:1px solid #dce8eb;\"\u003eDark Clear Skies\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth scope=\"row\" style=\"text-align:left;padding:12px;border-bottom:1px solid #dce8eb;color:#102d3b;\"\u003eProduct\u003c\/th\u003e\n\u003ctd style=\"padding:12px;border-bottom:1px solid #dce8eb;\"\u003eBarlow lens with T-adapter\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr style=\"background:#eff6f7;\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;padding:12px;border-bottom:1px solid #dce8eb;color:#102d3b;\"\u003eNominal amplification\u003c\/th\u003e\n\u003ctd style=\"padding:12px;border-bottom:1px solid #dce8eb;\"\u003e2×\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth scope=\"row\" style=\"text-align:left;padding:12px;border-bottom:1px solid #dce8eb;color:#102d3b;\"\u003eBarrel \/ eyepiece format\u003c\/th\u003e\n\u003ctd style=\"padding:12px;border-bottom:1px solid #dce8eb;\"\u003e1.25-inch\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr style=\"background:#eff6f7;\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;padding:12px;border-bottom:1px solid #dce8eb;color:#102d3b;\"\u003eOptical coatings\u003c\/th\u003e\n\u003ctd style=\"padding:12px;border-bottom:1px solid #dce8eb;\"\u003eFully multi-coated (FMC)\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003c\/tbody\u003e\n    \u003c\/table\u003e\n  \u003c\/section\u003e\n\n  \u003cdiv style=\"background:#eff6f7;border-radius:12px;padding:20px;box-sizing:border-box;\"\u003e\n    \u003cp style=\"margin:0 0 10px;font-weight:700;color:#102d3b;\"\u003eExplore your optical options\u003c\/p\u003e\n    \u003cp style=\"margin:0;\"\u003e\u003ca href=\"\/collections\/barlows-extenders\" style=\"color:#066978;text-decoration:underline;font-weight:600;\"\u003eBrowse Barlow lenses \u0026amp; extenders\u003c\/a\u003e · \u003ca href=\"\/pages\/filters-optics\" style=\"color:#066978;text-decoration:underline;font-weight:600;\"\u003eExplore filters \u0026amp; optics\u003c\/a\u003e\u003c\/p\u003e\n  \u003c\/div\u003e\n\u003c\/div\u003e","brand":"Dark Clear Skies","offers":[{"title":"Default Title","offer_id":55730123997560,"sku":"DCS-B2X-125-T","price":15.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0523\/1650\/4241\/files\/dcs-2x-barlow-lens-t-adapter-1-25-fmc-angled.png?v=1794142319","url":"https:\/\/www.darkclearskies.co.uk\/products\/dcs-2x-barlow-lens-t-adapter-1-25-fmc","provider":"Dark Clear Skies ","version":"1.0","type":"link"}