Celestron NexStar 90SLT Computerized Telescope
Designed as an affordable computerized 'Go-To' telescope, the NexStar 90SLT telescope from Celestron provides an excellent balance of power, performance, and portability. With its computer-automated technology, the SLT is up and running after locating 3 bright celestial objects.
This SLT is a Maksutov-Cassegrain reflector with a 90mm aperture and a focal length of 1250mm. The optical system is fully coated for enhanced sharpness and clarity. Two eyepieces are included - one 25mm as well as a 9.0mm. The mounting platform incorporates a sturdy stainless steel tripod with a motorized and computerized altazimuth mount.
New and experienced observers will appreciate NexStar 90SLT's comprehensive database of 4000+ objects, along with the customized lists of the most intriguing deep-sky objects, planets, and double stars.
Combining a first-class feature-set with Celestron's legendary optical standards, the 90SLT provides amateur astronomers with a sophisticated and easy-to-use telescope. The computerized hand-control provides simple on-screen instructions that guide the observer through the alignment procedures. Each step, helpful hints, and valuable reference materials are easily accessible to ensure a simple and pleasurable viewing experience.
- NexStar 90SLT Telescope
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- Maksutov-Cassegrain reflector
- Aperture: 90 mm/3.5"
- Focal Length: 1250 mm, f/13.9
- AFOV: 1.0°, LFOV: 53' @ 1000 yd
- Optical system: all-glass, fully coated
- 2 Eyepieces: 25 mm - 50x, 9.0 mm - 139x
- StarPointer finderscope for accurate alignment and object location
- Motorized Altazimuth Mount
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- Lightweight computerized altazimuth mount
- Fully enclosed motors and optical encoders
- Fully adjustable sturdy stainless-steel tripod
- Flash upgradeable fully computerized hand control
- Internal battery compartment to prevent cord wrap during use
- Educational astronomy software CD-ROM "The Sky" with printable sky maps
- Quick-release fork arm mount, optical tube, accessory tray for quick no tool set up
- Hand control and motors are powered by 8 user-supplied AA batteries or optional 12V AC adapter
- NSOL telescope control software: provides basic telescope control via computer with optional RS-232 cable
- Computerized hand controller with NexStar computer control offers 4,000 object database and storage for programmable user defined objects
- Tracking rates: sidereal, solar, lunar. Tracking modes: alt-az, EQ north/south. Slew speeds: 1,2,3°/sec - 64x, 32x, 16x, 8x, 4x, 2x. Alignment procedures: skyalign, auto 2-star, 1-star, 2-star, solar system.
| Optical Design | Maksutov-Cassegrain |
| Aperture | 90 mm / 3.5" |
| Focal Length | 1250 mm |
| Focal Ratio | f/13.89 |
| Eyepiece Barrel Diameter | 1.25" |
| Finderscope | StarPointer |
| Mount Type | Computerized altazimuth |
| Tripod | Stainless steel |
| Resolving Power | Rayleigh: 1.55 arcsec Dawes: 1.29 arcsec |
| Maximum Useful Magnification | 213x |
| Motor | Yes |
| GO-TO Capability | Yes |
| PC Compatible | Yes, via RS-232 cable |
| Power Source | 8 AA batteries |
| Optical Tube Dimensions | Not specified by manufacturer |
| Weight | 12.0 lb / 5.44 kg |
Batteries
Required item:
- Price: $0.59
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- Original: $24.95
- Save: $2.49
- Price: $22.46
Cleaning and Anti Fog
- Price: $7.95
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- Original: $4.99
- Save: $0.50
- Price: $4.49
Power Supplies
- Price: $17.89
Books & Tutorials
- Price: $29.95
What's in the Box
- Stainless Steel Tripod
- 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
- Limited 2 Year Warranty
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