Model: LX90GPS 8" Optical Design: Schmidt-Cassegrain Clear Aperture: 203mm (8") Focal Length: 2,000mm Focal Ratio: F/10 Optical Coatings: MgF2 on correcting plate (2-sides); standard aluminum on primary and secondary mirrors Optical Tube Dimensions (dia. x length): 9.1" x 16.75" GPS: Sony GPS LNT Module: Patented Level-North Technology with electronic level sensor, electronic magnetic north sensor, high-precision clock Smart Finder: Red Dot viewfinder Viewfinder: 8 x 50 Telescope Mounting: fork-type; double tine Setting Circle Diameters, RA and Dec.: RA: 8"; Dec: 5" Zero-Image Shift Electric GO TO Pointing Precision (approx.): 5-arc mins. Pointing Precision, High Precision Mode: 3-arc mins. Slow-Motion Controls electric, RA and Dec.#497 AutoStar Hand Controller: PIC 16C57 microcontroller; 2 line x 16 alphanumeric character display; 20-button keypad, red LED backlit Batteries (not included): 8 x C-cells Battery Life (approx.): 60 hrs. Onboard Celestial Object Database: 30,223 objects Slew Speeds: RA and Dec: 1x, 2x, 8x, 16x, 64x, 128x sidereal and 1.5 /sec., 3 /sec., 6.5 /sec. Tracking Rates: sidereal, lunar, or custom-selected from 2000 incremental rates Tube Body: aluminum Mount Castings: aluminum Primary, Secondary Mirrors: Pyrex glass Correcting Plate/Lens: clear water white glass Field Tripod Height: 30" - 43" variable Telescope Dimensions with Tripod: 52''L x 49''W x 77''H Telescope comes in 2 boxes.

Model: LX90GPS 8" Optical Design: Schmidt-Cassegrain Clear Aperture: 203mm (8") Focal Length: 2,000mm Focal Ratio: F/10 Optical Coatings: MgF2 on correcting plate (2-sides); standard aluminum on primary and secondary mirrors Optical Tube Dimensions (dia. x length): 9.1" x 16.75" GPS: Sony GPS LNT Module: Patented Level-North Technology with electronic level sensor, electronic magnetic north sensor, high-precision clock Smart Finder: Red Dot viewfinder Vie