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 stainless steel worm-heat treated and ground.
- Variable slip clutch, both axes. One knob design.
- 1.250” diameter stainless steel shafts.
- Fully locking, unique tangent arm design altitude adjustment, 14-64 degrees, large knob for easy alignment. (8-68 degrees with small modification).
- Laser engraved latitude scale in 2 degree increments.
- Single knob azimuth control, bi-directional +/- 8.5 degree.
- 5.000” diameter laser engraved setting circles, 4 minute R.A., vernier reading to 1 minute / 1 degrees DEC., vernier reading to 0.1 degree. R.A. circle engraved for Northern and Southern Hemisphere.
- Porter slip ring design.
- 160 oz/in stepper motor, 0.5 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.
- 21 lb counterweight.
- 7 lb and 11 lb extra counterweights available.
- Through the axis polar scope, works in Northern and Southern Hemisphere. Polar scope optional.
- Instrument weight capacity 60 lbs.
- Equatorial head weight 36 lbs.