Telescope Celestron NexStar 90 SLT 22087

Telescope Celestron NexStar 90 SLT 22087

The NexStar SLT series Celestron telescopes are designed to be assembled without tools in a matter of minutes. Each model includes a pre-assembled stainless steel tripod with height-adjustable legs and a fork mount with motorization of its two axes. This revolutionary series offers spectacular detail of the lunar surface, Jupiter and its moons, Saturn with its rings and much more. The NEW control unit with ergonomically designed MINIUSB connectivity , allows the user to select an object from its catalog, change the slew rate, access interesting object information, or simply determine if the desired object is visible, all by simply pressing a key on the telescope Celestron

General Features:

Integrated NexStar computerization system
Database with more than 4,000 objects
SkyAlign alignment function for high speed and accuracy
Internet upgradeable software for the control unit and motor version
Internal battery compartment to prevent cable winding
Auxiliary port for connection of optional accessories such as a GPS
Transformer or power supply not included (sold as an option)

Technical Specifications:

• Optical Design: Maksutov-Cassegrain Catadioptric
• Aperture: 90mm
• Focal length: 1250mm
• Focal ratio: f/14
• Finder: Luminous pointer
• Mount: Altacimutal motorized and computerized
• Eyepieces: 25mm (50x) and 9mm (139x) of 31.8mm Ø
• Zenithal prism: 31.8mm dia
• Tripod: Stainless steel, adjustable height
• CD-Rom: TheSkyX and NSOL
• Maximum useful magnification: 213x
• Stellar magnitude limit: 12.3
• Field of view (with 25mm eyepiece): 1° Field of view: 1° Field of view (with 25mm eyepiece): 1
• Light gathering power: 165x
• Rayleigh resolution: 1.55 arcseconds
• Dawes: 1.29 arcseconds
• Computerized control unit: Computerized control unit and reprogrammable via the Internet
• Slew rates: Nine slew rates, maximum 4°/sec
• Tracking Range: Sidereal, Solar and Lunar
• Tracking modes: Altazimuthal
• Alignment processes: SkyAlign, Automatic 2-star alignment, 1-star alignment, Manual 2-star alignment, Solar system alignment
• Database: Database with over 4,000 objects
• Power required: 8 x 1.5V AA batteries(not included)
• Tube length: 28cm
• Telescope weight: 5.4kg