For heavier telescopes and astrophotographic setups, an extra counterweight or two may be needed. These counterweights have an attractive finish and tri-lobe lock knob for easy grip. The 11-lb. counterweight fits the Atlas EQ-G and Sirius EQ-G GoTo mounts. Counterweight center bore measures 0.8″ (20.32mm) in diameter. Not compatible with Atlas EQ-G Counterweight Shaft Upgrade #10144.
| Weight | 12 lbs |
|---|---|
| Dimensions | 9 × 8 × 5 in |
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Cast Orion style 235mm ID OTA rings ideal for Newtonian type telescopes or large refractors.
Will fit Orion Skyview Pro 8, Orion Atlas 8 and 203mm f/4.9 OTA assembly.
Sold in sets of 2 with mounting bolts and washers.
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