Sorry, missed opportunity: The 3 holes drilled into the baseplate of this riser do not match the Mitchell pattern - they are on the circle with smaller diameter. I will probably never use this adapter as I was hoping it would work well on my Dana Dolly. This WILL work with the 3/8-16 bolt and giant washer that comes with the Dana Dolly and I'm sure I'll use it at least once, but only until I have a real Dana Dolly. a stand that was not available anywhere. If you have a short tripod and need an extra 6 inches or want to tilt the tripod head so it's pointing straight down and have some wiggle room, this would be very helpful. Build quality and materials are ok. But the difficulty (er, impossible) is finding a true bolt pattern specification.
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