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Buying Guide


AstroMaster Series Telescope w/ Altazimuth Mount - 90mm Aperture


MSRP: $362.95

You Save: $98.96 (27%)

SKU: CEL-21063

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Optical Design: Refractor
Aperture: 90 mm (3.54 in)
Focal Length: 1000 mm (39.37 in)
Focal Ratio: 11.11
Eyepiece 1: 20 mm (0.79 in)
Magnification 1: 50x
Eyepiece 2: 10 mm (0.39 in)
Magnification 2: 100x
Mount : Altazimuth
Optical Coatings: Multi-coated
Optical Tube Length: 20 in (508 mm)
Tube Attachment: Dovetail bar
Star Diagonal: 1.25" erect image
Highest Useful Magnification: 213x
Limiting Stellar Magnitude: 12.3
Resolution (Rayleigh): 1.55 arcsec
Resolution (Dawes): 1.29 arcsec
Light Gathering Power: 165x
Angular Field of View:
Linear Field of View: 53 ft (16.15 m) at 1000 yards
Finderscope: Built-on StarPointer
Tripod: 1.25" stainless steel tube legs, pre-assembled
Other Info: Includes "The Sky®" Level 1 CD-ROM
Warranty: 2 years
Assembly: Some assembly required
Weight: 21.0 lbs.
Shipping Method: UPS / FedEx

Celestron's AstroMaster Series Telescope has an Altazimuth mount that's great for viewing objects both in the sky and on land; it's particularly suited for object-oriented viewing like whale-watching, spotting birds and observing your favorite star or planet. Plus, it has a pan handle with clutch for smooth, accurate control. The refractor design is reliable and simple to use. Multi-coated glass optics produce crisp, clear images. A pre-assembled stainless steel tripod provides sturdy support in even the most rugged environments, and the accessory tray is a convenient spot for storing small items. Use "The Sky" Level 1 planetarium software to help you identify what you're looking at; it's loaded with a 10,000-object database.


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