celestron-22087-nexstar-90slt-telescope

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Celestron - 22087 - NexStar 90SLT Telescope

Code: R42UX

  • High quality 90mm Maksutov-Cassegrain
  • Fully computerized Altazimuth mount
  • StarPointer finderscope to help with alignment and accurately locating objects

Product details

Celestron - 22087 - NexStar 90SLT Telescope

• High quality 90mm Maksutov-Cassegrain
• Fully computerized Altazimuth mount
• StarPointer finderscope to help with alignment and accurately locating objects
• Quick-release fork arm mount, optical tube and accessory tray for quick no tool set up
• Sturdy stainless steel tripod and accessory tray included
• Good for terrestrial and celestial observing
• “TheSkyX â€" First Light Edition” astronomy software with a 10,000 object database, printable sky maps and 75 enhanced images


Designed to be an affordable entry level to mid-level computerized GoTo telescope, the NexStar SLT refractors, reflectors, and Maks are available in the most popular sizes and are loaded with valuable design features. With preassembled, adjustable stainless steel tripods and quick release fork arms and tubes, NexStar SLT telescopes can be set up in a matter of minutes â€" with no tools required! You can see details of the lunar surface, Venus and its phases, polar caps on Mars, Jupiter and its four moons, Saturn with its rings plainly visible and much more! Most NexStar SLTs can also be used as a land-based spotting telescope.

Computerized Mount FeaturesS

- Proven NexStar computer control technology
- Database allows telescope to locate over 4,000 celestial objects
- SkyAlign allows you to align on any three bright celestial objects, making for a fast and easy alignment process
- Flash upgradeable hand control software and motor control units for downloading product updates over the Internet
- Internal battery compartment to prevent cord wrap during use
- Auxiliary port for additional accessories such as GPS accessory
- Includes NSOL telescope control software for basic control of your telescope via computer (with optional RS-232 cable)
- Compatible with optional NexRemote telescope control software, for advanced control of your telescope via computer

Specification table
Optical Design Maksutov-Cassegrain
Aperture (mm) 90 mm (3.54 in)
Focal Length 1250 mm (49 in)
Focal Ratio 14
Focal Length of Eyepiece 1 (mm) 25 mm (0.98 in)
Magnification of Eyepiece 1 50 x
Focal Length of Eyepiece 2 (mm) 9 mm (0.35 in)
Magnification of Eyepiece 2 139 x
Finderscope StarPointer
Star Diagonal 1.25
Mount Type Motorized Altazimuth
Accessory Tray No Tool, Quick release
Tripod Steel
Highest Useful Magnification 213 x
Lowest Useful Magnification 13 x
Limiting Stellar Magnitude 12.3
Resolution (Rayleigh) 1.55 arc seconds
Resolution (Dawes) 1.29 arc seconds
Light Gathering Power (Compared to human eye) 165 x
Apparent Field of View 1 °
Linear Field of View (@1000 yds) 53 ft (16 m)
Optical Coatings Fully-Coated
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
Computer Hand Control Fully Computerized / Flash Upgradeable
Database 4,000 Object Database
GPS Optional SkySync GPS Accessory (93969)
Warranty 2-year Telescope Warranty

Bulk Prices

Item code Item name Quantity Price
R42UX Celestron - 22087 - NexStar 90SLT Telescope (1+) £359.99

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£359.99

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