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AstroMaster 90EQ-MD (Motor Drive) Telescope


Item #: 21069

Style: Popular Science by Celestron AstroMaster 80AZS Telescope with Smartphone Adapter and Bluetooth Remote AstroMaster 102AZ Telescope AstroMaster 70AZ Telescope AstroMaster 130EQ Telescope AstroMaster 114EQ Telescope AstroMaster 130EQ-MD (Motor Drive) Telescope AstroMaster 90EQ Telescope AstroMaster 90AZ Telescope AstroMaster 70EQ Telescope AstroMaster 76EQ Telescope



Optical Tube Info:
Aperture: 90mm (3.54")
Focal Length: 1000mm (39")
Focal Ratio: f/11
Focal Length of Eyepiece 1: 20mm (.8")
Magnification of Eyepiece 1: 50x
Focal Length of Eyepiece 2: 10mm (.4")
Magnification of Eyepiece 2: 100x
Finderscope: Built-on StarPointer™ red dot finderscope
Star Diagonal: Erect Image Diagonal - 1.25"
Mount Info:
Mount Type: CG-3 Equatorial
Tripod: 1.25" steel tube legs
Highest Useful Magnification: 213x
Lowest Useful Magnification: 13x
Limiting Stellar Magnitude: 12.3
Resolution (Rayleigh): 1.55 arc seconds
Resolution (Dawes): 1.29 arc seconds
Light Gathering Power (Compared to human eye): 165x
Apparent Field of View:
Linear Field of View (@1000 yds): 53 ft (16 m)
Optical Coatings: Multi-Coated
Optical Tube Length: 914mm (36")

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