Expanded Specifications Celestron AstroFi 90 Telescope Wi-Fi Refractor Black

OPTICAL TUBE INFO:
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: Aluminum
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 INFO:
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") aluminum
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
  • Never look directly at the Sun with the naked eye or with an optic (unless you have the proper solar filter). Permanent and irreversible eye damage may result.
  • Never use your optic to project an image of the Sun onto any surface. Internal heat build-up can damage the optic and any accessories attached to it.
  • Never leave your optic unsupervised. Make sure an adult who is familiar with the correct operating procedures is with your optic at all times, especially when children are present.

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