Celestron Astro FI 90mm Refractor Telescope
Model: 22201
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Specifications
General Information
Optical Design | Refractor |
Aperture (mm) | 90mm (3.54 in) |
Focal Length | 910 mm (36 in) |
Focal Ratio | 10.1 |
Focal Length of Eyepiece 1 (mm) | 25 mm (0.98 in) |
Magnification of Eyepiece 1 | 36 x |
Focal Length of Eyepiece 2 (mm) | 10mm (0.39 in) |
Magnification of Eyepiece 2 | 91 x |
Finderscope | StarPointer |
Mount Type | Single Fork Arm Altazimuth |
Accessory Tray | Includes rubberized smartphone or tablet holder |
Tripod | Aluminum |
Highest Useful Magnification | 213 x |
Lowest Useful Magnification | 13 x |
Limiting Stellar Magnitude | 12.3 |
Resolution (Rayleigh) | 1.54 arc seconds |
Resolution (Dawes) | 1.29 arc seconds |
Light Gathering Power | 165 x |
Optical Coatings | Fully Coated |
Optical Tube Length | 37.2 in/94.5 cm in (945 mm) |
Total Telescope Kit Weight | 14.2 lbs (6.44 kg) |
Slew Speeds | Up to 3 deg/second |
Tracking Rates | Sidereal, Solar and Lunar |
Alignment Procedures | SkyAlign, 3-Star Align, Solar System Align |
Communication Ports | Aux port for optional hand control |
Database | Over 120,000 objects including 220 of the best deep sky and solar system objects |
Warranty | 2-year Telescope Warranty |
- Control your telescope via integrated WiFi
- 90 mm refractor with fully coated glass optics
- Includes a StarPointer finderscope, 2 Kellner eyepieces, mirror star diagonal and Accessory Tray
- Type: Refracting Telescopes Telescope
- Aperture: 3.5" (90mm) Aperture
- Series: Celestron AstroFi
- StarPointer Finderscope
- 25mm 1.25" Kellner Eyepiece
- 10mm 1.25" Kellner Eyepiece
- Mirror Star Diagonal
- Single Fork Arm Altazimuth Mount
- Aluminum Tripod
- Accessory tray