Name: CELESTRON Cometron FirstScope 21023 Telescope
Brand: Celestron
Price: 59.79 USD
Availability: InStock

Item No.: 9SIA04K19M2494

Product Name: CELESTRON Cometron FirstScope 21023 Telescope

Brand: Celestron | UPC: 050234210232

Condition: New

Price:$59.79 Availability: In Stock
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Product Description:

CELESTRON Cometron FirstScope 21023 Telescope Type: Telescopes Specifications: 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 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) Resolution: (Rayleigh): 1.83 arc seconds (Dawes): 1.53 arc seconds