Baader Planetarium's new Hyperion 68° Modular Eyepieces ($129 each) offer a new level of versatility for photographic and visual use. Each eyepiece consists of eight high-grade water-white glass elements in five groups with custom multicoatings for ghost-free observing. A unique barrel design fits both 1¼- and 2-inch focusers. Additionally, the 1¼-inch barrel contains a removable negative lens that allows you to vary the focal length with optional spacer rings. Many adapters are available to fit a variety of cameras. Each eyepiece is also compatible with Tele Vue's Dioptrx astigmatism correctors. The Hyperion 68° series is available in focal lengths of 3.5, 5, 8, 13, 17, and 21 millimeters.
Alpine Astronomical, PO Box 1154, Eagle, ID 83616-1154; 208-939-2141; www.alpineastro.com
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