Here’s something quick and eyebrow-raising to boot this morning. A YouTube guitarist puts an iPhone 4 inside his instrument to capture some rarely seen footage of how the strings oscillate. The awesome effect is further amplified thanks to the way the iPhone 4’s shutter works, he explains in a video description:
I just happened upon this trick when testing what it was like filming from inside my guitar. Note this effect is due to the rolling shutter, which is non-representative of how strings actually vibrate.
In other words, the iPhone 4’s CMOS sensor scans objects diagonally from the top left to the bottom right, producing the interesting effect. Now that we’ve seen it in action, we have a couple of ideas of our own to shoot fast-moving objects to take advantage of the camera shutter effect.
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