Construction | All CNC machined aluminum bar stock, stainless steel, brass; stainless steel fasteners |
Finishing and Assembly | Every part is hand-finished and inspected. All assembly is done by hand, by highly skilled mount assembly staff. |
Worm wheel - R.A./Dec. | 5.9" (150 mm), 225 tooth aluminum |
Worm gear - R.A./Dec. | Brass, 0.705" (17.9 mm) diameter |
Axis shaft - R.A./Dec. | 2.36" (60 mm) diameter |
Shaft axis bearings - R.A./Dec. | 3.1" (78 mm) diameter, 2 per axis |
Latitude range | 0 to 70 degrees with or without the polar scope attached, engraved scale |
Azimuth adjustment | Approximately 13 degrees (+/- 6.5 degrees from center) |
Counterweight shaft | 1.125" (29 mm) diameter x 14.5" (368 mm) long [13.625" (346.1 mm) useable length], incl. washer and safety knob.
Optional counterweight shaft (M1053-A) available: 1.875" (48 mm) diameter x 10.7" (272 mm) long; fits inside Dec. axis for transport. |
Weight of mount | Total: 32.1 lb. (14.6 kg)
R.A. axis/polar fork: 16.5 lb. (7.5 kg)
Dec. axis: 11.5 lb. (5.2 kg)
Counterweight shaft: 4.1 lb. (1.9 kg) |
Capacity | Approximately 45 lb. (20 kg) scope and accessories (not including counterweights), depending on length. Recommended for: Astro-Physics and similar fast refractors up to our 160 mm f7.5 Starfire EDF, 8-11" SCTs and 6-8" Maks.
These are only guidelines. Some telescopes are very long for their weight or heavy for their size and will require a larger mount. Remember also that imaging requirements are more rigid than visual observation. |
Instrument mounting interface
| Refer to list of suitable mounting plates below |
Diameter of base | 5.800" (147.32 mm) diameter |