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Celestron Cometron FirstScope, White/Black 21023
$59.79 $81.95 Save 27%
Code: CI-TS-21023
MPN: 21023
UPC: 050234210232
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Celestron Cometron FirstScope Product Info

The Celestron Cometron FirstScope Telescope for Beginnign Astronomers w/ Finderscope 21023 has been created to be a compact an lightweight way for beginning astronomers to enjoy the wonder of the stars. This Compact Telescope from Celestron is a tabletop Dobsonian-style telescope that includes a spherical mirror with a generous 76mm of aperture. The Celestron Cometron FirstScope Telescope provides bright, sharp views of comets and other celestial objects, and renders the Moon's mountains and craters in crisp detail. Thanks to it's wide field of view, this Celestron Telescope allows you to observe the brightest part of the comet and its tail or favorite deep-sky objects like the Orion Nebula. For a great way to introduce yourself to amazing world of space, choose the Celestron FirstScope Cometron Telescope.

Celestron 21023: Cometron FirstScope, White/Black

Specifications for Celestron Cometron FirstScope:

Optical Design: Newtonian Reflector
Aperture (mm): 76 mm (2.99 in)
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 Area: 14 %
Secondary Mirror Obstruction by Diameter: 37 %
Optical Coatings: Aluminum with SiO2
Optical Tube Length: 10 in (254 mm)
Total Telescope Kit Weight: 4.3 lbs (1.95 kg)

Features of Celestron Cometron FirstScope Beginners Telescope:

  • Fast focal ratio offers a wide field of view, perfect for observing comets, star clusters, galaxies, and more
  • Lightweight and portable, a great grab-and-go telescope
  • Simple design makes it easy for beginners to use
  • No-tool setup means you are up and observing in no time
  • Includes a finderscope and 2 Kellner eyepieces

Package Contents:

  • Celestron Cometron FirstScope Telescope 21023
  • Finderscope
  • 2 Kellner Eyepieces

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Celestron Cometron FirstScope Comments

Customer Reviews
Helpful Positive Review Great Beginner Telescope by Legacy Reviewer, February 11, 2014
A Great Gift For Aspiring Beginner In Astronomy World. This Telescope Is A Keeper. Easy To Use, Compact & Portable, It Is A Keeper Always. With Included 20mm & 10mm Eyepiece, You Get 15X And Also 30X Magnification. Get Yourself A 6mm Plossl, And You ...
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