Meade LXD-75 8 Schmidt-Cassegrain Telescope with Autostar GOTO telescopes opinie

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8" (203 mm) f/10 ACF with German equatorial mount LXD 75 and AutoStar Computer control

System description

Diffraction-Limited Optics Meade's Schmidt-Newtonian and Schmidt-Cassegrain optics yield pinpoint stellar images over an extremely wide field-of-view with only half the coma of standard Newtonians of the same focal ratio.
 
Optical Tube Construction Schmidt-Newtonian and Schmidt-Cassegrain optics are mounted in precision-machined aluminum cells, which are then mounted in sturdy steel tubes which are baked with high-grade textured enamel paint. The optical tube assembly is closed, reducing air currents inside the tube. This prevents distortion of an otherwise sharp image. Plus, a closed tube significantly helps keep the optics clean.
 
Corrector Lens Fully corrects for spherical aberration and provides pinpoint star images. Water white glass is used in all Schmidt-Newtonian and Schmidt-Cassegrain corrector lenses to maximize light transmission. The use of water white glass results in an increase of light transmission in excess of 10%, as compared to competitive telescopes using soda lime glass.
 
Individually Figured Optics Schmidt-Newtonian and Schmidt-Cassegrain corrector lenses and mirrors are individually figured to create a superior optical system which is renowned for its exquisite smoothness and performance. Pyrex? Primary Mirror Premium-grade Pyrex mirrors are used in all Schmidt-Newtonian and Schmidt-Cassegrain optical systems, providing exceptional thermal stability versus competing models using standard plate glass.
 
Sturdy Mount with Heavy-Duty Castings
 
Designed by Meade's engineers and manufactured for high-performance observing and astrophotography.
 
Shaft & Bearing System
 
The sturdy German
 
Equatorial Mount is accurate and precise. The RA and Dec axes move effortlessly on four high-precision stainless steel ball bearings.
 
High-Precision Worm Gears Located on both axes for smooth tracking and slewing.
 
High-Precision Pointing (HPP) For even more precise pointing use the HPP function. HPP puts objects in the center of the field-of-view which allows you to confirm deep sky objects at the faintest limits of the telescope's capability.
 
Periodic Error Correction Corrects periodic errors on the RA axis over the course of one or more training periods, thereby minimizing guiding corrections during long-exposure photography.
 
9-Speed Drive Controls From a rapid slew rate of 4.5?/sec. to 1x sidereal- it's all controlled from the AutoStar controller.
 
3-Star Alignment Ensures precise alignment while eliminating the need for a complicated optical/mechanical alignment process.
 
Heavy-Duty Tripod Variable-height field tripod with spreader bar brace provides the stability and vibration damping required for visual observation and astrophotography.
 
Illuminated Polar Alignment Viewfinder For quick, precise polar alignment.
 
Power Supply Powered by 8 D-size batteries. Can also be powered by optional car cigarette lighter or AC wall adapter.

Please note: information given above comes from Manufacturer's website and other resources of product Manufacturer.