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Finally, a hand controller that actually feels precise—the manual focus control on my Posi Drive is smooth and responsive without any of the annoying backlash I had before. It’s a small upgrade that makes a big difference during fine adjustments at the eyepiece.

The button layout is intuitive enough that I could use it by feel while looking through the eyepiece. It connects solidly to my Posi Drive and gives smooth, precise focus adjustments every time.

The hand controller feels solid and the buttons give a satisfying click, so I can make fine adjustments without jittering the focuser. Hooked it up to my Posi Drive and it worked right out of the box, which was a relief.