Celestron® Firstscope Telescope

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Product Number: SB52508

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High-quality, Dobsonian-style stand with a 3 in. (76 mm) aperture reflector optical tube make this scope an ideal entry level astronomical telescope. Portable and lightweight tabletop design makes it easy to store, transport, and setup. Very easy to use for observation - simply navigate the night sky by moving the tube in the direction of the desired object. Displayed around the exterior of the tube are the names of history’s most notable astronomers and scientists.


Optical Design: Newtonian reflector

Aperture: 3 in. (76 mm)

Focal length: 12 in. (300 mm)

Focal Ratio: 3.95

Focal Length of Eyepiece 1: 3/4 in. (20 mm)

Magnification of Eyepiece 1: 15X

Focal Length of Eyepiece 2: 1/8 in. (4 mm)

Magnification of Eyepiece 2: 75X

Highest Useful Magnification: 180X

Lowest Useful Magnification: 11X

Limiting Stellar Magnitude: 11.9

Resolution (Rayleigh): 1.83 arc seconds

Resolution (Dawes): 1.53 arc seconds

Light Gathering Power (compared to human eye): 118X

Two-year warranty.

Item Weight: 4.25
Prop 65:
Assembly Required: false
Subject Areas: Astronomy


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