iOptron GEM28 Go-To German Equatorial Mount With iPolar And 1.5″ Tripod

Description

Structure Material All metal, Casting + CNC machined Exterior Finish Powder coating Periodic error (PE) ** <12 arcsec PEC Yes, Permanent PEC Worm period 600 sec Right Ascension worm wheel 88mm, 144 teeth aluminum Declination worm wheel 88mm, 144 teeth aluminum Right Ascension axis shaft 35mm steel Declination axis shaft 35mm steel Right Ascension bearing 55mm ball bearing Declination bearing 55mm ball bearing Worm gears 15.2mm, Brass Motor drive 1.8 stepper motor, 128X microdivision Resolution 0.17 arc seconds Transmission Synchronous belt Latitude adjustment range 10 ~ 70 Azimuth adjustment range 6 Polar Scope iPolarTMelectronic polar scope Level indicator Level bubble Hand Controller Go2Nova 8409 with ~212,000 objects database Tracking Automatic Slew speed 1,2,8,16,64,128,256,512,MAX(6/sec) Power consumption 0.6A(Tracking), 0.9A(GOTO) Power requiremention 12V DC, 5A AC adapter 100V ~ 240V (included, for indoor use only) Power-down memory Yes Wi-Fi Built-in Communication port Yes (Wi-Fi and USB) Autoguide port Yes (ST-4 compatible) Firmware upgrade Yes PC computer control Yes (ASCOM) Counterweight shaft 20X200mm (M16), Stainless Steel Shaft extension 20X120mm (M16), Stainless Steel Counterweight 10 lbs (4.5kg) Tripod 1.5″ Stainless Steel (5kg) Dovetail saddle 3.8″ Vixen-style, center adjustable GPS Optional external 32-channel GPS Autoguiding Optional external iGuider 1 Operation temperature -10C ~ 40C Warranty Two year limited