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Losmandy GM811G Equatorial Mount

Losmandy GM811G Equatorial Mount
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Price:  £3,390.00(Inc. 20% VAT)Earn 3,390 Loyalty Points
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Model

Model:  GM811G
Brand:  Losmandy

2 Year Warranty On All New Items

The Losmandy GM811 is a hybrid mount which takes the benefits of both the GM8 and G11 mounts, in 1 system. The GM811 is a GM8 mount but with the benefit of the G11 5.625" 360 tooth RA worm gear. This ensures smoother tracking in the main RA axis and also a higher payload capacity of 50lbs.

There are 2 versions available. One with a lightweight tripod and one with a heavy duty tripod. The mount head remains the same on both models.

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


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

Laser engraved latitude scale in 2 degree increments.

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


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)


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.

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)

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01909 774 369
sales@rothervalleyoptics.co.uk