That's what I currently use as well, but I have to go back and forth many times before I'm comfortable that I've gotten it even close. I usually spend 10-20 minutes messing with focus and by the time I actually image, the focus may have changed! This looks to be a few seconds to lock it exactly. What a time saver! You'd be able to quickly and easily recheck focus between images and scope movement.
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Re: Revolutionary new way of focusing! No less!
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