The Vixen ED80Sf 80mm (3.15 inch) ED Apochromatic OTA Refractor Telescope 2617 has many astronomers giving glowing reviews, thanks to the telescope ’s legendary color-free images and incredible contrast. The ED 80 Sf Refractor OTA Optical Tube Assembly by Vixen features high-grade glass and quality components. Coupled with a medium f/7.5 focal ratio, this Vixen Telescope provides a sharp, color-free image of high contrast. At only 22.4, the Vixen ED80 Sf 80mm 3.15 OTA Telescope is the ultimate grab-n-go APO travel telescope. Note: The Vixen ED 80Sf 80mm (3.15 in) ED APO (Apochromatic) OTA Refractor Telescope 2617 does not come with a Telescope Mount or Tripod . This is a scope you can start with on a basic user-friendly Vixen Porta Mount and later move up to an electronic mount such as the Vixen Skypod Mount or Vixen Sphinx Mount . Specifications for Vixen ED-80Sf 80mm (3.15 inch) ED Apochromatic OTA Refractor Telescope 2617: Optical Tube: 80mm (3.15″) ED Apochromatic Multi-coated Focal Length / F#: 600mm f/7.5 Eyepiece: Not included Highest Useful Magnification: 160x Light Gathering Power: 131x Resolving Power: 1.45 arc sec, 11.3 Optical Tube Length: Tube diameter 100mm/4 in Length: 570mm / 22.4″ Optical Tube Weight: 7.5 lbs. / 3.4 kg. Accessories: Dovetail Plate, Tube Rings, Aluminum Case Photography: Prime Focus, Eyepiece projection and Afocal Imaging Package Contents: Vixen ED80Sf 80mm (3.15 inch) ED Apochromatic OTA Refractor Telescope 2617 9×50 Finderscope Finder bracket 2″ eyepiece adapter 1 1/4 Flip mirror Tube Rings Dove-tail plate Aluminum Telescope Case
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