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Ok, a common 3/8", cool.
I seen it can carry up to 20kg but maybe I need to be clearer on my question, sorry, I have a ball head pistel grip on a camera tripod which I adapt to my EQ Star-Tracker sometimes with the Canon 70-200mm 'L' lens, heavy sucker, going portrait on star-tracker may only need 60-80 degree down on the ball head, means the ball head does not reach the resting point in that shaft slot, soo, my pistel grip starts to slide down during exposures,, ?
Also, what are them knobs for and what are the calibration numbers on the larger knob for, are they tensioning marks for the actual ball ?
Thnx
Last edited by astronobob; 12-10-2023 at 12:31 AM.
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