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FirstScope 90EQ Telescope

$341.95

Item #: 21085

Description

Specifications

General
Aperture: 90mm (3.54")
Focal Length: 1000mm (39")
Focal Ratio: f/11
Focal Length of Eyepiece 1: 20mm (0.79")
Magnification of Eyepiece 1: 50x
Focal Length of Eyepiece 2: 10mm (0.39")
Magnification of Eyepiece 2: 100x
Finderscope: StarPointer™ red dot finderscope
Star Diagonal: 1.25 Erect Image
Mount Type: Equatorial, with Quick release
Accessory Tray: Round, Thread-in
Tripod: Aluminum
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: 0.8°
Linear Field of View (@1000 yds): 42 ft (13 m)
Optical Coatings: Multi-Coated
Optical Tube Length: 1016mm (40")
Total Telescope Kit Weight: 22 lbs (9.98 kg)

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