{"product_id":"5x-3x-barlow-lens-eyepiece-for-1-25-telescope-fully-coated","title":"5x\/3x Barlow Lens Eyepiece For 1.25\" Telescope — Fully Coated","description":"\u003cp\u003eDouble or triple your telescope's magnification instantly with this \u003cstrong\u003e5x\/3x Barlow Lens Eyepiece For 1.25\" Telescopes\u003c\/strong\u003e. A barlow lens is the most cost-effective upgrade any astronomer can make — it multiplies the effective focal length of every eyepiece in your collection.\u003c\/p\u003e\u003cp\u003eFully coated glass elements minimize light loss and prevent internal reflections, delivering sharper, higher-contrast views of the Moon, planets, and binary stars.\u003c\/p\u003e\u003ch3\u003eThe Physics Inside\u003c\/h3\u003e\u003cp\u003eA Barlow lens is a negative (diverging) lens that extends the focal point, effectively increasing the telescope's focal ratio. Inserting it before your eyepiece multiplies magnification without changing the eyepiece's eye relief.\u003c\/p\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eDual magnification: 3x and 5x modes\u003c\/li\u003e\n\u003cli\u003eStandard 1.25\" barrel fits most telescopes\u003c\/li\u003e\n\u003cli\u003eFully coated glass optical elements\u003c\/li\u003e\n\u003cli\u003eBlackened interior to eliminate stray light\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cem\u003eFulfilled via CJ Dropshipping. Ships worldwide in 7–20 business days.\u003c\/em\u003e\u003c\/p\u003e","brand":"Golden Physics Project","offers":[{"title":"Default Title","offer_id":55123166658852,"sku":"GPP-CJ-13690369","price":47.99,"currency_code":"CAD","in_stock":true}],"url":"https:\/\/shop.goldenphysics.org\/products\/5x-3x-barlow-lens-eyepiece-for-1-25-telescope-fully-coated","provider":"Golden Physics Project","version":"1.0","type":"link"}