The Losmandy GM-8 Equatorial Mount from Venturescope

The GM-8 Equatorial Mount supports up to 30lb instrument weight!

It includes the head, weight shaft, 7lb counterweight, adjustable tripod & optional dual axis digital drive!

GM-8 SPECIFICATIONS

R.A. / DEC. AXIS

• All machined aluminum and stainless steel, black anodised.
• 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 stainless steel worm-heat treated and ground.
• Variable slip clutch, both axes. One knob design.
• 1.250" diameter aluminum shafts.
• Fully locking, unique tangent arm design altitude adjustment, 0-64 degrees, large knob for easy alignment.
• Laser engraved latitude scale in 2 degree increments.
• Single knob azimuth control, bidirectional +/- 8.5 degrees.
• 3.500" diameter laser engraved setting circles 6 minute R.A. / 2 degrees DEC. R.A. circle engraved for Northern and Southern Hemisphere.
• Porter slip ring design.
• 160 oz/in stepper motor, 1.0 arc sec. step.
• Dovetail saddle-plate allows for the interchanging of any tube assembly-reduces need for DEC. weights.
• Removable stainless steel weight shaft w/safety knob.
• 7 lb counterweight.
• 11 lb and 21 lb. extra counterweights available.
• Through the axis polar scope, works in Northern and Southern hemisphere. Polar scope optional.
• Instrument weight capacity 30 lbs.
• Equatorial head weight 21 lbs.

TRIPOD

• All machined aluminum, black anodised.
• Tripod height, adjustable from 27" - 43"
• Fold-up tripod design for easy transporting.
• Tripod weight 15 lbs.
• All heights are to top of tripod
• Add 9" @ 34 degrees to centre of DEC.-R.A. junction
• Add 6" from DEC.-R.A. junction to top of saddle

DUAL-AXIS ELECTRONICS

• Diamond push button pattern.
• R.A. and DEC. reversing switches.
• Three guiding rates; 30%, 50% and 2x sidereal rate.
• Three setting rates; 4x, 8x, 16x sidereal rate and super fast 32x HST (high speed transfer).
• Quartz tracking rates: sidereal, solar, lunar, king.
• Periodic Error Correction (PEC).
• Programmable DEC. Backlash Compensation (TVC).
• Control panel dimmer.
• Accepts auto-guider systems.
• Northern and Southern Hemisphere operation.
• 12 volt DC - 500ma power use.
• Tiltable control panel for easy access.
• Small hand control box for comfortable use.

Price of GM8 Mount: Equatorial Head, Digital Drive, Weight-Shaft, LW Tripod and 7lb Weight: £1495.00 Price of GM8 Mount (as above less Digital Drives) with Gemini system: £2600.00

You are welcome to contact us to ask for a quote for your Losmandy mount with the optical tube of your choice and to discuss your requirements for accessories and mounting options. We will advise you about any extra adaptor plates, counterweights etc.. that you need to mount your telescope tube on this wonderful mount !

If this mount is a bit too small, then check out the
Losmandy G-11 Mount
or if it's much too small then look at the
Losmandy HGM-TITAN Mount
or check out the forthcoming
GoTo system
for all the Losmandy Mounts