While testing the new wireless high-noise filtering stethoscope, Maj. Daniel Bevington, a nurse researcher in the 711th Human Performance Wing of the Air Force Research Laboratory, places the device on a mannequin’s chest to listen to internal sounds. (U.S. Air Force photo/Richard Eldridge)
CAMERA
NIKON D750
LENS
TAMRON SP 24-70mm F2.8 Di VC USD A007N
APERTURE
5
SHUTTERSPEED
1/80
ISO
3200
No camera details available.
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