EQUATORIAL MOUNTS - D SERIES DOVETAIL SYSTEMS - V SERIES DOVETAIL SYSTEMS - GEMINI 2 GOTO SYSTEM - STARLAPSE SYSTEM
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MADE IN THE USA
 

GM811G
EQUATORIAL MOUNT
50 lb. ASTROPHOTOGRAPHY WEIGHT CAPACITY

 
GM811G:
GM811GHD:
 


$2,895.00
$3,095.00
Click HERE for Mount
Comparison Chart

 
 
 

Gm811G Astrophotography Equatorial Telescope Mount
 
 

Click for Larger ImageAstrophotography Equatorial Head GOTO Telescope Mount

 

GM811G 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: R.A. 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.
  • One Piece Worm Block Design.
  • Spring Loaded Worm
  • Tucked in motors.
  • Variable slip clutch one knob per axis design.
  • 1.250” diameter stainless steel shaft.

Click for Larger ImageGM811G Astophotography Equatorial Telescope Mount Elevation Adjustment

 

  

Fully locking, unique tangent arm design altitude adjustment, 0-68 degrees, large knob for easy alignment. 

Laser engraved latitude scale in 2 degree increments.


 

Click for Larger ImageGM811G Astophotography Equatorial Telescope Mount Elevation Adjustment
----Internal View----

Click for Larger ImageGM811G Astrophotography Equatorial Telescope Mount Azimuth Adjustment

 

  

Single knob azimuth control, bi-directional +/- 8.5 degree.


 

Click for Larger ImageGM811G Astrophotography Equatorial Telescope Mount Weight Bar

 

  

5.625” diameter, 7075 aluminum worm gear, 360 tooth.

Dual supported, ball bearing housed ground High Precision Brass Worm.

*(image shown with worm cover plate removed)

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.
  • One Piece Worm Block Design.
  • Spring Loaded Worm
  • Variable slip clutch one knob design.
  • Porter Slip Ring Design
  • 1.250" diameter aluminum shafts.

Click for Larger ImageGM811G Astrophotography Telescope Mount Saddle Plate for Losmandy and Vixen

 

  

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.


 

Click for Larger ImageGM811G Astrophotography Telescope Mount Saddle Plate Detail

 

Click for Larger ImageGM811G Astrophotography Equatorial Telescope Mount Brass Worm

 

  

2.812” diameter, 7075 aluminum worm gear, 180 tooth.

Dual supported, ball bearing housed ground High Precision Brass Worm.

*(image shown with worm cover plate removed)

Click for Larger ImageAstrophotography Telescope Mount Tripod Folding

 

  

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.


 

Click for Larger ImageAstrophotography Telescope Mount Light Weight Folding Telescope Tripod

 

Click for Larger ImageAstrophotography Telescope Mount Telescope Tripod Folding

 

  

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.


 

Click for Larger ImageAstrophotography Telescope Mount Heavy Duty Folding Telescope Tripod

 

DRIVE ELECTRONIC GEMINI 2 GOTO

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)
 

PRICING DETAILS    -    Prices in US Dollars
GM811G Equatorial Head, Gemini 2 GoTo, Weight Shaft, Folding LW Tripod and 11 lb. weight. 2,895.00
   
GM811GHD Equatorial Head, Gemini 2 GoTo, Weight Shaft, Folding HD Tripod and 11 lb. weight. 3,095.00