{"product_id":"explore-scientific-2-3x-focal-extender-fe03-020","title":"2\" 3X Focal Extender","description":"\u003c!--start tab--\u003e\n\u003cp\u003eThe Explore Scientific 3X Focal Extender (2.0-inch O.D.), accepts both 1.25-inch O.D. and 2.0-inch O.D. format eyepieces and camera adapters. Fully EMD-Coated on all air-to-air lens surfaces, with all lens elements edge-blackened to produce superior contrast, this focal extender adds some real versatility to your telescope accessory line-up. First of all, it allows you to increase the magnification of any eyepiece with the same barrel size that you already own. In other words, 3 eyepieces offer 6 magnification choices with the addition of a focal extender. Secondly, most of the time, lower magnification eyepieces such as the \u003ca href=\"https:\/\/explorescientificusa.com\/products\/30mm-82-degree-series-waterproof-eyepiece-epwp8230-01\"\u003e30mm 82 Degree Series Waterproof Eyepiece\u003c\/a\u003e have better eye relief than higher power models. When using a focal extender to increase your magnification, you get to enjoy the generous eye relief of the lower power eyepiece, and that’s quite a bonus, especially for eyeglass wearers or for those with fast telescopes who can really push high magnification eyepieces. Remember, we also make 1.25-inch O.D. Focal Extenders in 2X, 3X and 5x models, so there is something for every style of telescope.\u003c\/p\u003e\n\u003cp data-end=\"435\" data-start=\"154\"\u003eExplore Scientific focal extenders feature a telecentric optical design, using multiple precision lens elements to deliver light rays that remain parallel to the optical axis. The result is consistent, true-to-spec magnification—no matter how you configure your eyepiece or camera.\u003c\/p\u003e\n\u003cp data-end=\"777\" data-start=\"437\"\u003eUnlike traditional Barlow lenses, where magnification can vary depending on spacing, Explore Scientific focal extenders provide a stable, predictable performance every time. This design also helps maintain comfortable eye relief and preserves image quality across the field, making them ideal for both visual observing and astrophotography.\u003c\/p\u003e\n\u003c!--end tab--\u003e\u003c!--start tab--\u003e\n\u003cdiv class=\"spanrow\"\u003e\n\u003cspan class=\"speccell speccell-left\"\u003eItem Number\u003c\/span\u003e \u003cspan class=\"speccell\"\u003eFE03–020\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spanrow\"\u003e\n\u003cspan class=\"speccell speccell-left\"\u003eBarrel Size\u003c\/span\u003e \u003cspan class=\"speccell\"\u003e2.0-inch\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spanrow\"\u003e\n\u003cspan class=\"speccell speccell-left\"\u003eLength\u003c\/span\u003e \u003cspan class=\"speccell\"\u003e125mm\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spanrow\"\u003e\n\u003cspan class=\"speccell speccell-left\"\u003eWidth\u003c\/span\u003e \u003cspan class=\"speccell\"\u003e66mm\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spanrow\"\u003e\n\u003cspan class=\"speccell speccell-left\"\u003eWeight\u003c\/span\u003e \u003cspan class=\"speccell\"\u003e1.7 lbs.\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c!--end tab--\u003e","brand":"Explore Scientific","offers":[{"title":"Default Title","offer_id":45643729469681,"sku":"FE03-020","price":149.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0570\/5711\/6312\/files\/FE03-020_1.jpg?v=1736428973","url":"https:\/\/villohome.com\/products\/explore-scientific-2-3x-focal-extender-fe03-020","provider":"Villohome","version":"1.0","type":"link"}