Celestron Cometron Firstscope Telescope

Category Brand

Celestron Cometron Firstscope Telescope

  • Optical Design Newtonian Reflector
  • Focal Length 300mm (12″)
  • 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

Product Description

Celestron Cometron Firstscope Telescope

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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 76 mm 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 5×24 finderscope. Weighing just 4.3 lbs, 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.

Features Celestron Cometron Firstscope 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

Specifications Celestron Cometron Firstscope Telescope

Optical Tube Info
Optical DesignNewtonian Reflector
Aperture76mm (2.99″)
Focal Length300mm (12″)
Focal Ratiof/3.95
Focal Length of Eyepiece 120mm (0.79″)
Magnification of Eyepiece 115x
Focal Length of Eyepiece 210mm (0.4″)
Magnification of Eyepiece 230x
Barlow LensNot Included
Finderscope5×24
Star DiagonalNot Included
Optical TubePlastic
Highest Useful Magnification180x
Lowest Useful Magnification11x
Limiting Stellar Magnitude11.9
Resolution (Rayleigh)1.83 arc seconds
Resolution (Dawes)1.53 arc seconds
Light Gathering Power (Compared to human eye)118x
Secondary Mirror Obstruction28mm (1.1″)
Secondary Mirror Obstruction by Diameter37%
Secondary Mirror Obstruction by Area14%
Optical CoatingsAluminum with SiO2
Optical Tube Length254mm (10″)
Mount Info
TripodNone
Total Telescope Kit Weight4.3 lbs (1.95 kg)
SoftwareCelestron Starry Night Basic Edition Software and SkyPortal App
Solar Warning
  • Never look directly at the Sun with the naked eye or with an optic (unless you have the proper solar filter). Permanent and irreversible eye damage may result.
  • Never use your optic to project an image of the Sun onto any surface. Internal heat build-up can damage the optic and any accessories attached to it.
  • Never leave your optic unsupervised. Make sure an adult who is familiar with the correct operating procedures is with your optic at all times, especially when children are present.

 


Celestron Cometron Firstscope – Manual


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Additional Information

Brand

Celestron

Model

Cometron Firstscope

Made In

USA

Weight

8 kg

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