EQUATORIAL MOUNTS - D SERIES DOVETAIL SYSTEMS - V SERIES DOVETAIL SYSTEMS - GEMINI 2 GOTO SYSTEM - STARLAPSE SYSTEM
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Click for larger image
Click for larger image		   GM 8
EQUATORIAL MOUNT
30 lb. INSTRUMENT CAPACITY
60 lb. TOTAL CAPACITY

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Manual and Parts Drawing

GM 8 SLT:
GM 8 GLT:
GM 8 S:
GM 8 G:

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$1,295.00
$2,295.00
$1,495.00
$2,495.00

Pricing details

 
SPECIFICATION: R.A. / 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 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, bi-directional +/- 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.
  • Spit Dovetail saddle-plate design. Accepts "D" series dovetail plates. Dovetail plate drops in and locks allowing for interchaning of any tube assembly, reducing the 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.


LW TRIPOD

  • All machined aluminum, black anodized.
  • Tripod height, adjustable from 27" - 43"
  • Fold-up tripod design for easy transporting.
  • Tripod weight 15 lbs.


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.
All heights are to top of tripod. Add 9" @ 34 degrees to center of Dec.-R.A. junction. Add 6" from Dec.-R.A. junction to top of saddle.

PRICING DETAILS    -    Prices in US Dollars
GM 8 SLT   Equatorial Head, Digital Drive, Weight Shaft and 7 lb. weight 1,295.00
GM 8 GLT Equatorial Head, Gemini Goto, Weight Shaft and 7 lb. weight. 2,295.00
GM 8 S Equatorial Head, Digital Drive, Weight Shaft, LW Tripod and 7 lb. weight. 1,495.00
GM 8 G Equatorial Head, Gemini Goto, Weight Shaft, LW Tripod and 7 lb. weight. 2,495.00