Meade ETX90EC Telescope w/Electronic Controller Case,Tripod, Lenses, Accessories
Excellent condition, very low usage, several electronic components boxed and never used.
Cordless motor drive for fully automatic tracking
Dual axis motor drive system; Pushbutton electronic hand controller; Cordless operation; Maksutov-Casse grain optical system; Flip mirror system (straight or 90 degree observing position); Optional autostar compatible (uses #497 Autostar); Super multi-coated optical lens, 26MM lens; 1250MM focal length; Setting circles and locks on both axes; electronic control panel.
Meade finally brings a serious telescope into the casual-consumer price range. The ETX-90EC Astro offers extraordinary optics at an affordable price. It combines a high-resolution optical design and diffraction-limited imaging with microprocessor-controlled, precise celestial-object tracking, all in a nicely styled, highly portable package.
Improvements to this model include a new fork mount with dual-axis drive system. The ETX-90EC also includes high torque DC motors on both telescope axes, permitting electronic operation from the hand-held controller. This push-button electronic controller has four dual-axis drive speeds: slow, 8x for image centering at high power; medium, 32x for image centering at lower power or for pushbutton tracking in altazimuth mode; moderate, 0.75degrees per second for image centering in the viewfinder or for terrestrial tracking; and fast, 5 degrees per second for fast scanning across the sky.
The Meade ETX-90EC is specially designed to be portable and used in the field. It offers cordless operation, allowing you to use the telescope's dual-axis drive system for more than 40hours on eight AA batteries. At approximately 8 pounds and 15 inches in length, it packs a lot of power into a compact unit.
TheETX-90EC uses a 90mm Maksutov-Cassegrain optical design, and Meade actually warranties the optics of the ETX-90EC "to equal or exceed the optical performance and resolution of any Maksutov optics of similar aperture ever manufactured at any price." The ETX-Series optics offer superb contrast, image brightness, and resolution; Meade claims the telescope consistently outperforms many instruments of larger apertures. Meade also uses EMC super multi-coatings on all optical surfaces to maximize light transmission through the corrector lens and reflectance from the primary and secondary mirrors. The flip-mirror system allows for 90-degree observation of land and sky objects, straight-through observation using the optional #932 45-degreeErecting Prism, or photo-ready imaging using the optional #64T-Adapter and your own 35mm camera.
Overall, the Meade ETX-90EC is a fine piece of craftsmanship at a surprisingly affordable price. For those of us who spent our childhood peering through old-style consumer telescopes, using the ETX-90EC is like getting time in the Palomar Observatory. From shifting cloud belts on Saturn to the glowing filaments of the Orion Nebula, this instrument lets you observe the heavens in extraordinary detail.
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Filed under: High-End Telescope Auctions (USA)