SkyProdigy 90 Computerized Telescope
Item #: 22091Description
Specifications
General | |
---|---|
Optical Design: | Maksutov-Cassegrain |
Aperture: | 90mm (3.54") |
Focal Length: | 1250mm (49") |
Focal Ratio: | f/14 |
Focal Length of Eyepiece 1: | 25mm (0.98") |
Magnification of Eyepiece 1: | 50x |
Focal Length of Eyepiece 2: | 9mm (0.35") |
Magnification of Eyepiece 2: | 139x |
Finderscope: | StarPointer™ red dot finderscope |
Mount Type: | Motorized Altazimuth |
Accessory Tray: | No Tool, Quick release |
Tripod: | Steel |
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): | 53.5 ft (16 m) |
Secondary Mirror Obstruction: | 28mm (1.1") |
Secondary Mirror Obstruction by Diameter: | 31% |
Secondary Mirror Obstruction by Area: | 9.64% |
Optical Coatings: | Fully Multi-Coated |
Slew Speeds: | Nine slew speeds |
Tracking Rates: | Sidereal, Solar and Lunar |
Tracking Modes: | Alt-Az |
Alignment Procedures: | StarSense Automatic Alignment, Solar System Align, Manual Align |
Computer Hand Control: | Fully Computerized / Flash Upgradeable |
Accessories