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- | [* black] Is that a [guide|39841|Force Touch trackpad|stepid=89855|new_window=true]? No, it's an exposed view of the a7R II's sensor stabilization hardware. |
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+ | [* black] Is that a [guide|39841|Force Touch trackpad|stepid=89855|new_window=true]? No, it's an exposed view of the a7R II's sensor stabilization hardware. Sony's marketing team named this the 5-axis SteadyShot. |
+ | [* black] What does this collection of copper and magnets have to do with image stabilization? |
+ | [* black] The central tray of the stabilizer holds the image sensor, and is home to three electromagnets, each a component of a [https://en.wikipedia.org/wiki/Voice_coil|voice coil|new_window=true], an electromechanical device used for incredibly fine positioning. |
+ | [* black] Voice coils are also found in [http://rack1.ul.cs.cmu.edu/rotaryvoicecoil/|platter hard drives|new_window=true], controlling the read/write arm. |