11 lb. Counterweight for Atlas & Sirius Mounts
Item #09863
4.3 / 5.0
$73.99
This 11lb counterweight is made specifically for the Orion Atlas and Sirius telescope mounts. It includes a tri-lobe lock knob for easy grip.
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  • More Info
    • Extra 11-pound counterweight designed for the Orion Atlas EQ-G and Sirius EQ-G GoTo equatorial mounts
    • Helps balance especially heavy telescopes and instruments on the Atlas EQ-G or Sirius EQ-G equatorial mounts
    • Ideal for balancing heavy astrophotography gear
    • Features a nylon-tipped, tri-lobe lock knob for easy grip - even while wearing gloves in the field!
    • Optimize the balance of your Atlas or Sirius EQ-G telescope mount for smooth and accurate tracking, panning, and slow-motion position adjustments

    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 0.72" (18.34mm) in diameter. Not compatible with Atlas EQ-G Counterweight Shaft Upgrade #10144.

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  • Important Shipping Information

    Orders received by 1pm Eastern Standard Time for in-stock items ship the same business day. Order received after noon will ship the next business day. When an item is not in-stock we will ship it as soon as it becomes available. Typically in-stock items will ship first and backordered items will follow as soon as they are available. You have the option in check out to request that your order ship complete, if you'd prefer.

    A per-item shipping charge (in addition to the standard shipping and handling charge) applies to this product due to its size and weight. This charge varies based on the shipping method.

    Standard Delivery: $0.00
    Standard Delivery to Canada: $10.00
    3 Day Delivery: $30.00
    2 Day Delivery: $30.00
    Next Day Delivery: $42.00

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