This Questar #19370 counterweight for fork-mounted Questar 3.5" telescopes consists of a one pound lead-impregnated soft vinyl weight that wraps around the extended dew shield of the scope to balance the weight of a camera body attached to the Cassegrain focus at the rear of the scope. Velcro strips hold the weight closed.
One end of a stiff positioning arm attaches to the eyepiece of the scope. The other end of the am has a Velcro strip on its underside that attaches to the Velcro on the weight to hold the counterweight at the proper point fore and aft along the scope's optical tube to properly balance the camera and keep the weight from slipping down the tube when the scope is pointed at the sky.
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