AstroMaster 90EQ-MD (Motor Drive) Telescope
Item #: 21069Description
Specifications
Optical Tube Info: | |
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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: | 1° |
Linear Field of View (@1000 yds): | 53 ft (16 m) |
Optical Coatings: | Multi-Coated |
Optical Tube Length: | 914mm (36") |
Support & Downloads
Manuals: |
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Motor Drive Manual |