Expanded Specifications Celestron AstroFi 90 Telescope Wi-Fi Refractor Black
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| Optical Design: | Refractor |
| Aperture: | 90mm (3.54") |
| Focal Length: | 910mm (36") |
| Focal Ratio: | f/10.1 |
| Focal Length of Eyepiece 1: | 25mm (.98") |
| Magnification of Eyepiece 1: | 36x |
| Focal Length of Eyepiece 2: | 10mm (.39") |
| Magnification of Eyepiece 2: | 91x |
| Finderscope: | StarPointer™ red dot finderscope |
| Star Diagonal: | 1.25" Star Diagonal |
| Optical Tube: | Aluminium |
| Highest Useful Magnification: | 213x |
| Lowest Useful Magnification: | 13x |
| Limiting Stellar Magnitude: | 12.3 |
| Resolution (Rayleigh): | 1.54 arc seconds arc seconds |
| Resolution (Dawes): | 1.29 arc seconds arc seconds |
| Light Gathering Power (Compared to human eye): | 165x |
| Optical Coatings: | Fully Coated |
| Optical Tube Length: | 945mm (37.2") |
| Optical Tube Diameter: | 99mm (3.9") |
| Optical Tube Weight: | 5 lbs (2.3 kg) |
| Dovetail: | CG-5 Dovetail bar |
| Mount Type: | Computerized Altitude-Azimuth Single Fork Arm |
| Instrument load capacity: | 8 lbs (3.6 kg) |
| Height adjustment range (includes mount and tripod): | 863.6mm - 1371.6mm (34" - 54") |
| Tripod leg diameter: | 31.75mm (1.25") aluminium |
| Mount Head Weight: | 5 lbs (2.3 kg) |
| Accessory Tray: | Yes. Includes rubberized smartphone or tablet holder |
| Tripod Weight: | 5 lbs (2.3 kg) |
| Slew Speeds: | Up to 3°/second |
| Tracking Rates: | Sidereal, Solar, and Lunar |
| Tracking Modes: | Alt-Az, EQ North and EQ South |
| GPS: | N/A |
| Dovetail Compatibility: | CG-5 dovetail |
| Number of Auxiliary Ports: | 2x AUX Port for optional accessories |
| Autoguide Port: | No |
| USB Port: | No (only with optional Nexstar+ remote) |
| Power Requirements: | 12V DC, 1A (Tip positive) |
| Motor Drive: | DC servo motor |
| Alignment Procedures: | SkyAlign, 3-Star Align, Solar System Align |
| Periodic Error Correction: | No |
| Computerized Hand Control: | Hand control not included (optional) |
| NexStar+ Database: | Optional Nexstar+ hand remote provides over 40,000 objects in the computer's database |
| Software: | Celestron Starry Night Special Edition Software and SkyPortal App. Each provide over 100,00 objects in their database |
| Total Kit Weight: | 15 lbs (6.8 kg) |
| Included Items: | Optical tube Mount and tripod Accessory tray 2x eyepieces 1.25" Star diagonal 1.25" visual back StarPointer™ red dot finderscope Battery pouch |
| Solar Warning |
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