About this product
The 9 1/4" was specifically designed for visual infinity focus when using 2" eyepieces and has an optimized baffle system to benefit astrophotography by minimizing vignetting at the edge of the field of view. Its longer primary focal length and lower magnification secondary mirror contribute to a flatter field of view at the focal plane and helps to further reduce optical aberrations.
This C9 1/4 optical system comes with premium StarBright® XLT coatings. The optimized baffling system benefits astrophotography and gives high contrast views of the planets. With 33% more light gathering than the 8" model, the C9 1/4-S is compatible with an array of photographic and visual accessories.
Mounted on the Advanced GT Series computerized mount, this telescope has some high performance software and hardware features. Operated by the proven NexStar® computer control technology the telescope has a 40,000+ object database with 400 user-definable objects and expanded information on over 200 objects. Custom database lists of all the most famous deep-sky objects by name and catalogue number; the most beautiful double, triple and quadruple stars; variable star; solar systems; objects and asterisms.
Using the RS-232 communication port on the hand control, you can control the telescope via a personal computer and the new flash upgradeable hand controls allow you to update the telescope's operating software via the internet. An autoguider port is also included for astrophotography.
CG-5 Mount - Precision engineered
Celestron's new German Equatorial mount has precision worm gears on both axis for extremely smooth stability. The key element that makes this system one of the most stable in its class is the NEW heavy-duty tripod with larger and more substantial legs that offer excellent damping characteristics. The CG-5 also has a convenient latitude scale for easier alignment and an optional polar finder scope for the ultimate in precision alignments
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