8mm Film Camera Converted To Experimental Optical Microphone

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“Recently I’ve begun designing electronics to convert film cameras into audio transducers, or optical microphones. Obsolete 8mm film cameras are exciting to work with, partially because their design aesthetics are so different than what you get with new products today. Besides that, the 8mm format interfaces nicely with the size of semiconductor light sensors – not too big, not too small.”

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