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The Proxisky ST4 Hand Controller is a compact OnStep-compatible controller designed for use with Proxisky mounts and other compatible OnStep devices. It provides convenient manual mount control in a small, lightweight package.
With compact dimensions of 81 x 41 x 18 mm and a weight of only 50 g, the controller is easy to keep with your mount setup. The built-in 1.3" OLED display provides a clear interface for mount control and object selection.
The hand controller includes improved catalogues with Solar System objects, deep sky objects, stars, double stars, and variable stars brighter than magnitude 4.0, making it useful for quick GoTo operation without relying only on a phone or computer.
Clearly printed labels and logos make the controller easy to operate in the field. A sling is attached at the top for convenience, while the micro USB port at the bottom allows firmware updates when required.