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  • Frys.com #7897249
  • Manufacturer: Celestron
  • UPC #050234210232
  • Model #FIRSTSCOPE
  • Be ready for the next big comet with Celestron's special-edition Cometron FirstScope, a compact, lightweight telescope that's perfect for beginners looking to experience the magic of a dazzling comet, planet, or nebula. This tabletop Dobsonian-style telescope includes a spherical mirror with a generous 76mm of aperture. The Cometron FirstScope provides bright, sharp views of comets and other celestial objects, and renders the Moon's mountains and craters in crisp detail. And thanks to its wide field of view, you'll be able to observe the brightest part of the comet and its tail or favorite deep-sky objects like the Orion Nebula.

    The Cometron FirstScope offers several upgrades from the original Celestron FirstScope, including 2 Kellner eyepieces and a 5x24 finderscope. Weighing just 4.3 pounds, the Cometron FirstScope is a tabletop telescope that you can take on all your outdoor adventures. It's also stylish enough to be a decorative fixture on your bookshelf or desk.

     

     

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    Detail Description
    Detailed Description
    (Manufacturer # FIRSTSCOPE )



    Specifications
    Optical Design Newtonian Reflector
    Aperture (mm) 76 mm (2.99 in)
    Telescope Type Manual
    Focal Length 300 mm (12 in)
    Focal Ratio 3.95
    Focal Length of Eyepiece 2 (mm) Kellner 10 mm (0 in)
    Finderscope 5x24
    Tripod None
    Highest Useful Magnification 180 x
    Lowest Useful Magnification 11 x
    Limiting Stellar Magnitude 11.9
    Resolution (Rayleigh) 1.83 arc seconds
    Resolution (Dawes) 1.53 arc seconds
    Light Gathering Power (Compared to human eye) 118 x
    Secondary Mirror Obstruction 1.1 in (28 mm)
    Secondary Mirror Obstruction by Diameter 37%
    Secondary Mirror Obstruction by Area 14%
    Optical Coatings Aluminum with SiO2
    Optical Tube Length 10 in (254 mm)
    Total Telescope Kit Weight 4.3 lbs (1.95 kg)








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