Thus a position transducer without electrical contacts and the attendant problems of contact bounce, corrosion and {HEAD ~ noise}, is provided which is specially suited for use with {TAIL ~ digitally controlled photographic apparatus} such as a camera 
Thus a position transducer without electrical contacts and the attendant problems of contact bounce , corrosion and { HEAD ~ noise } , is provided which is specially suited for use with { TAIL ~ digitally controlled photographic apparatus } such as a camera
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