The Meade ETX-90 Portable Observatory Package is a 90mm Maksutov-Cassegrain Telescope.This compact instrument is very easy to transport. The telescope itself is less than 10 pounds. Its 3.5" aperture, Maksutov-Cassegrain optics has a 1250 mm focal length with a f/13.8 focal ratio, it delivers satisfying celestial observations with clarity and detail.
The dual-fork Altazimuth mount works with the AutoStar #497 controller to deliver Go-To ability for over 30,000 databaseobjects. The AutoStar Suite Planetarium Software for PCs allows total computer control of the mount and telescope. A Red-Dot viewfinder accelerates the manual location of celestial objects. Ultra-High Transmission Coatings (UHTC)in the optics with the included Super Plossl 26 mm and Super Plossl 9.7 mm eyepieces provide increased light transmission and superior optical performance.
An adjustable steel leg tripod provides solid support for the mount and scope. The scope is powered by 6 user-supplied AA batteries or an optional AC power adapter. A protective carrying case is also included with the package.