Cometron Firstscope

Your Price: $84.99

Celestron Cometron Firstscope

Part Number: 21023

Availability: 0 Out of Stock

Description
Customer Reviews

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.

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)
Warranty	2-year Telescope Warranty

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Cometron Firstscope

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