Camera 1, wherein {HEAD ~ said waveform shaping circuit} comprises first switching means for determining {TAIL ~ said peak amplitude}, and second switching means for determining that an entire said pulse has entered said waveform shaping circuit 
Camera 1 , wherein { HEAD ~ said waveform shaping circuit } comprises first switching means for determining { TAIL ~ said peak amplitude } , and second switching means for determining that an entire said pulse has entered said waveform shaping circuit
OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH