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Code: CI-TS-22087-EE
MPN: 22087
UPC: 050234220873
| Optical Design: | Maksutov-Cassegrain |
| Weight: | 12 lb (5.44 kg) |
| Aperture: | 90 mm (3.54 in) |
| Focal Length: | 1250 mm (49.21 in) |
| Focal Ratio: | 13.89 |
| Finderscope: | StarPointer |
| Mount: | Motorized Altazimuth |
| Eyepiece 1: | 25 mm (0.98 in) |
| Magnification 1: | 50 x |
| Eyepiece 2: | 9 mm (0.35 in) |
| Magnification 2: | 139 x |
| Star Diagonal: | 1.25 |
| Accessory Tray: | No Tool, Quick release |
| Tripod: | Steel |
| CD ROM: | "The Sky" Level 1 and NexStar Observers List (v2.6.4c) |
| Highest Useful Magnification: | 213 x |
| Limiting Stellar Magnitude: | 12.3 |
| Resolution (Rayleigh): | 1.55 arcsec |
| Resolution (Dawes): | 1.29 arcsec |
| Light Gathering Power: | 165 x |
| Angular Field of View: | 1 ° |
| Linear Field of View (@1000 yds): | 53 ft (16.15 m) |
| Optical Coatings: | Fully-Coated |
| Computer Hand Control: | Fully Computerized / Flash Upgradeable |
| Slew Speeds: | Nine slew speeds |
| Tracking Rates: | Sidereal, Solar and Lunar |
| Tracking Modes: | Alt-Az, EQ North and EQ South |
| Alignment Procedures: | SkyAlign, Auto 2-Star Align, 1-Star Align, 2-Star Align, Solar System Align |
| Database: | 4,000 Object Database |
| GPS: | Optional CN-16 GPS Accessory |
NexStar 90SLT - Computerized Mount Features: