Image stabilization lets you handhold shots that would have been impossible on film, and the engineering behind it sits in the intersection of MEMS gyroscopes, real-time control loops, and clever optomechanics. We walk optical (in-lens) versus sensor-shift (IBIS) stabilization, why the math differs, why some bodies and lenses stabilize so much better, and the honest "stops of stabilization" reality.
Stabilization
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Image Stabilization