Product Reviews
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If one does the research it becomes apparent quickly that a good balancing system is imperative to exceptional telescope performance. The OPT system had one issue in that the thumb screws used to mount the slide rail were the wrong size (too Large and improper thread count). There were no directions for mounting which I would recommend and also detailed instruction on a balancing procedure for forked mount without equatorial wedge. It was somewhat difficult to find a good one. Also not sure I would use large weights as much as some smaller ones that can add up to larger weight. I only had to use the smallest weight to create and maintain balance of the scope