William Optics Zenithstar 73 Objective Retainer Wrench
Description
This is a wrench to allow you to unscrew the objective lens retainer ring on a William Optics Zenithstar 73 telescope for lens cleaning and collimation. The inside is curved to accommodate the curve of the objective lens. Please note that refractor telescopes require considerable experience and patience to collimate. If you loosen the objective retainer, your telescope will require collimation.
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