• All machined stainless steel and aluminum, black anodized.
• Shafts, 1.968" diameter stainless steel tubing, .250" wall thickness. 
• Worm gears, 6.750" diameter, 270 tooth, 7075 aluminum - special coated.
• Worms, heat treated and ground stainless steel. 
• Single piece worm housing construction, double ended, ball bearing supported with adjustable preload. 
• Tracking: +/- 5 arc sec. or better.
• Low temperature operation: 0 F 
• 5.062" diameter needle thrust bearings.
• 3.500" diameter sealed ball bearings.
• 3.100" diameter sealed ball bearings for worm gear.
• Fully locking, unique tangent arm design altitude adjustment, 12-70 degrees, large knob for easy alignment.
• Laser engraved latitude scale in 2 degree increments.
• Single knob azimuth control, bi-directional +/- 10 degrees, X/Y axis leveling bubbles.
• Variable slip clutch, 6.0" diameter both axes, one knob design.
• Full 360 degree rotation in both R.A. and DEC.
• Fully enclosed R.A. and DEC. worm and worm gear.
• Photographic instrument weight capacity 100 lbs.
• Equatorial Head weight 75 lbs. Breaks down into R.A. 37.5 lbs. & DEC. 37.5 lbs.
• Removable counterweight shaft with safety stop, 1.25" diameter.
• Includes two 21 lb weights.
• Split dovetail saddle plate design, 1.00" X 6.00" X 8.00"
• Dovetail plate drops in and locks allowing for interchanging of any tube assembly - reduces the need for DEC. weights.
• Accepts all "D" series dovetail plates.
• 7 lb and 11 lb extra counterweights available
• Off axis polar scope, works in Northern and Southern hemisphere. (Polar scope optional.)

• SEE GEMINI PAGE FOR DETAILS

TRIPOD - SOLD SEPARATELY

• All machined aluminum, black anodized.
• Semi-pier tripod design
• Adjustable height, 40"- 62"
• Removable legs with clamps.
• Tripod weight 66 lbs.
• 7.00" diameter pier - 3.50" diameter legs.