Celestron AstroFi 90mm Refractor Telescope
We no longer sell this product and will not be receiving any new stock. Check below for availability of second-hand units.
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Able to create its own wireless connection, the Celestron Astro Fi 90mm Refractor is a fully-featured telescope that can be controlled with your smart phone or tablet using the free Celestron SkyPortal app. It features fully-coated glass optics to provide outstanding views of the moon, planets, and nebulae. It includes a StarPointer finderscope, 2 Kellner eyepieces, and a mirror star diagonal.
Key Features: Celestron Astro Fi 90mm Refractor Telescope
The Astro Fi 90 creates its own wireless connection, so it can communicate with your device even in remote locations where WiFi or cellular networks aren't available. Getting ready to observe is quick and painless thanks to Celestron's award-winning SkyAlign technology. Centre any three bright objects in the eyepiece, and your telescope calculates its position. You can even generate a Sky Tour of all the best celestial objects to view based on your exact time and location.
Trusted Celestron Optics
Innovative WiFi technology powers the Astro Fi, but it's the optics inside the telescope tube that make it a Celestron. For over 50 years, they've led the industry in optical technology—and they've put that experience into the Astro Fi 90. This 90 mm refractor with fully coated optics offers dazzling views of craters on the Moon, the rings of Saturn, the Great Red Spot on Jupiter, the Orion Nebula, the Hercules Globular Cluster and so much more.
Specifications
- Optical Design: Refractor
- Aperture: 90 mm
- Focal Length: 910 mm
- Focal Ratio: 10.1
- Focal Length of Eyepiece 1: 25 mm
- Magnification of Eyepiece 1: 36x
- Focal Length of Eyepiece 2:10 mm
- Magnification of Eyepiece 2: 91x
- Finderscope: StarPointer
- Star Diagonal: 1.25"
- Mount Type: Single Fork Arm Altazimuth
- Accessory Tray: Includes rubberized smartphone or tablet holder
- Tripod: 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: 94.5 cm
- Total Telescope Kit Weight: 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
AstroFi Telescopes Video
Back to topProduct Specification
| Diagonal | 90 Degree |
| Diameter [mm] | 90.0 |
| Eyepiece 1 | 25 mm |
| Eyepiece 2 | 10 mm |
| Finderscope | StarPointer |
| Focal Length [mm] | 910 |
| Focal Ratio [f|] | 10.10 |
| Highest Practical Magnification [x] | 213 |
| Magnification With Eyepieces Supplied [x] | 36x, 91x |
| Mount Type | GoTo Computerised Altazimuth |
| Optical Design | Achromatic |
| Optical Tube Length [mm] | 945 |
| Power Source | 12v DC Power Supply (Tip Positive) or AA Batteries |
| Tripod | 1.25 Inch Stainless Steel Pipe Tripod with Accessory Tray |
| Manufacturers Link | Celestron |
