This Electronic Scissor Jack Lifts a Camera
Have you ever wondered why a scissor jack that weighs just 10 pounds can lift a car that weighs a couple of tons, with only the muscle power that your grandmother can put into it? That’s possible thanks to mechanical advantage, which turns a whole of bunch of rotations of a screw into a relatively short amount of linear travel. Bubs found out that those same principles make for a good camera lift when he built this winch-driven camera elevator.
This is, essentially, the vertical equivalent to a horizontal camera slider. Bubs wants it to capture nice videos (vertical dolly shots).
Even with modern IBIS (in-body image stabilization) and decent stabilization tools in post, it is important that camera movements like these are very smooth. But they don’t need to be fast. That’s why this concept works: a bunch of electric motor turns result in a tiny amount of...
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