Used ADM Losmandy Dovetail Clamp with Balancing Counterweights on 5" Bolt Planetary Camera The weight has a threaded

The weight has a threaded hole on the back to allow stacking of optional extra weights for heavier cameras

flattens the field of telescopic viewing and reduces the focal ratio by

A precision linear rotor bearing

Used with the ZWO Electronic Auto-Focuser for performing manual focus adjustments

the use of a memory buffer minimizes amp-glow

Used ADM Losmandy Dovetail Clamp with Balancing Counterweights on 5" Bolt Planetary Camera The weight has a threadedThis is an ADM Losmandy dovetail clamp with two counterweights, a 3 lb. 8oz. and a 1 lb. 12 oz, for a total of 5 lbs. 4 ozs. of weight. These are on a 5" bolt, for maximum flexibility in balancing your gear. This is for counterbalancing your astrophotography gear at the back of your scope with a weight attached to your accessory Losmandy rail at the front of the scope. No box included; we can ship this item.