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tripod.JPG

Small camera tripods are 1/4" 20 tpi
large are 3/8" 16 tpi

Once it's spun on you use the twist nut to set it where you need, then just clamp it where you need it. Putting it on a chair or something mobile helps and up and down you just fiddle and pitch the clamp.

As such.

tripod 2.JPG

Hope this helps.

Welcome back btw sorry about your father.