Celestron 22087 Celestron NexStar 90SLT Telescope

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"Celestron NexStar 90SLT Brand New Includes Two Year Warranty, The Celestron 22087 is a 3.54-inch Maksutov-Cassegrain telescope with a sturdy stainless steel tripod and accessory tray and fully computerized GoTo Altazimuth mount with quick-release fork arm, optical tube and accessory tray for quick no tool set up. The 3.54-inch aperture provides excellent light-gathering ability and SkyAlign technology gets your telescope aligned and ready to observe in minutes.The telescope includes NexRemote telescope control software and RS-232 cable for advanced control of the telescope with a PC. The Celestron 22087 features SkyAlign allows alignment on any three bright celestial objects, making for a rapid, efficient alignment process and StarPointer finderscope helps with alignment and locating objects. It comes with a flash upgradeable hand control software and motor control units for downloading product updates over the Internet and internal battery compartment to prevent cord wrap during use. 22087 Features: 3.54 Inch Aperture (90mm), Computerized With 4, 000 Accessible Objects, 213x Maximum Magnification, Focal Length: 1250mm, f/14.0 Focal Ratio, StarPointer Finderscope, Steel Tripod, Motorized Altazimuth Mount, NexRemote, SkyAlign Technology - Allows To Align On Any 3 Bright Celestial Objects - Making Fast & Easy Alignment Process, Flash Upgradeable, 22087 Specifications: .boldTbl font-weight: bold .specs td, table.specs th padding: 4px 10px 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), Celestron 22087 Includes: 25 mm Eyepiece, 9.0 mm Eyepiece, StarPointer Finderscope, Computerized Altazimuth Mount, Hand Controller, 'The Sky' Level 1 CD-ROM, NexStar Observers List CD-ROM"

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