Description Introduced the New Spring Loaded Worm Now Included with every GM811G/-HD Take your GM-8 to the next level! This mount includes an upgraded RA axis and increases your imaging payload capacity to 50 pounds! Specifications (LT Version DOES NOT INCLUDE TRIPOD) GM811GT Features Photographic instrument weight capacity 50 lbs Low temperature operation: 0 F Equatorial Head Weight 27 lbs Removable counterweight shaft with safety stop; 1.25" diameter Includes one 11 lb weight Saddle plate works with both Losmandy Style and Vixen Dovetail Dovetail plate drops in and locks allowing for interchanging of any tube assembly - reduces the need for DEC weights. All machined aluminum and stainless steel, black anodized. All stainless steel hardware. Variable slip clutch one knob per axis design. Through the axis polar scope mounting, works in Northern and Southern Hemisphere. Polar scope optional. 7 lb and 21 lb extra counterweights available Specification: RA Axis All machined aluminum and stainless steel, black anodized. All stainless steel hardware. One 3.750” diameter needle thrust bearing. One 2.000” diameter needle thrust bearing. Two 1.500” diameter needle bearings. 5.625” diameter, 7075 aluminum worm gear, 360 tooth. Dual supported, ball bearing housed ground High Precision Brass Worm. Variable slip clutch one knob per axis design. 1.250” diameter stainless steel shaft. Specification: DEC Axis All machined aluminum and stainless steel, black anodized. All stainless steel hardware. One 2.100" diameter needle thrust bearing. One 2.000" diameter needle thrust bearing. Two 1.500” diameter needle bearings. 2.812" diameter, 7075 aluminum worm gear, 180 tooth. Dual supported, ball bearing housed ground High Precision Brass Worm. Variable slip clutch one knob design. Porter Slip Ring Design 1.250" diameter aluminum shafts. Dovetail saddle-plate fits both "D" Losmandy Style Dovetail or Vixen Style Dovetail. Allows for the interchanging of any tube assembly-reduces need for DEC. weights. FOLDING LW TRIPOD OPTION All machined aluminum, black anodized Tripod height, adjustable from 27” - 43” Folding leg design for easy transporting. Tripod weight 15 lbs. FOLDING HD TRIPOD OPTION All machined aluminum, black anodized Tripod height, adjustable from 33” - 48” Folding leg design for easy transporting. Tripod weight 35 lbs. GEMINI 2 GOTO ELECTRONICS (G) Full Color Graphic Touch Screen clearly displays all functions. Classic four-button pattern for guiding, centering, moving and slewing on both the touch screen and tactile membrane on the rear. Periodic Error Correction (PEC). Programmable DEC. Backlash Compensation (TVC). Control panel dimmer, Day and Night Modes. Accepts auto-guider systems. Northern and Southern Hemisphere operation. Tiltable control panel for easy access. Stand Alone System. No PC required Ethernet 10/100 with full IP function permits operation from anywhere using a browser, ASCOM, or app over the web or Serial Port DC Servos for imporved accuracy with higher torque than steppers Non-Volatile Memory and Real-Time Clock English, German, French & Spanish displays Over 40,000 objects USB ports; Virtual COM to PC, ASCOM or planetarium program. Firmware upgrade via internet Auto Guide Port (TTL) Dual 12-18V DC input/output (3.0A)
