# The Pentax PF-80ED is housed in an exceptionally lightweight magnesium-alloy body. # Incorporating Extra-low Dispersion (ED) glass elements for optimum optical resolution. # Large 80mm objective lenses for bright viewing under all light conditions. # The body of the PF-80ED incorporates standard 1 1/4-inch (31.7mm) - diameter eyepiece receptacle, which accepts not only the optional Pentax XW eyepieces, but also other telescope manufacturers' eyepieces on the market. # The receptacle has a special "O" ring assembly, which allows the body of the scope to be filled with nitrogen, making it fog proof and JIS Class 6 waterproof. # A built-in lens shade cuts excessive light and helps to prevent rain and other weather elements from interfering with viewing. # An extra wide focusing knob is incorporated for effortless focusing. # A tripod socket with a click-stop rotation mechanism is available to allow for different viewing angle options. # Famous Pentax Super-Multi-Coating maximizes light transmission, clarity and contrast. # An extendable eyecup allows variable adjustment for up to a full 20mm of eye relief, allowing those wearing eyeglasses the same view as non-eyeglass wearers. # Equipped with a durable rubber housing to protect against shock and damage. # The PF-80ED accepts PENTAX XW Telescope Eyepieces: XW7 (71X), XW10 (50X), XW14 (36X), XW20 (26X), and the 20X-60X Zoom Eyepiece.
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