Van Slyke’s Zerotator

Van Slyke Instruments


Sean Walker
Van Slyke Instruments introduces the Motorized Zerotator ($1,475), a heavy-duty instrument rotator for your CCD cameras and other accessories. Manufactured from aircraft-grade aluminum and stainless steel, the Motorized Zerotator uses 80 caged needle bearings to guarantee smooth rotation of your imaging train with no flexure. The unit features a 2.9-inch clear aperture to accommodate large CCD sensors, and requires only 1.3 inches of additional focus travel. A pre-installed Technical Innovations RoboFocus motor controls the rotation. The Motorized Zerotator weighs 2 pounds and supports loads of up to 50 pounds. Optional adapters are available on the manufacturer’s website.'s New Product Showcase is a reader service featuring innovative equipment and software of interest to amateur astronomers. The descriptions are based largely on information supplied by the manufacturers or distributors. Sky & Telescope assumes no responsibility for the accuracy of vendors statements. For further information contact the manufacturer or distributor. Announcements should be sent to Not all announcements will be listed.

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