A heavy weight deflectometer from the Air Force Civil Engineer Center’s Airfield Pavement Evaluation team at Davis-Monthan Air Force Base, Arizona, Feb. 25, 2021. The HWD is a non-destructive instrument used to determine sub surface soil strength. (U.S. Air Force photo by Senior Airman Nicholas Ross).
CAMERA
NIKON D810
LENS
24.0-70.0 mm f/2.8
APERTURE
10
SHUTTERSPEED
1/250
ISO
125
No camera details available.
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