Blood collection tubes for Covid-19 serology, or antibody, testing are prepared for use at Creech Air Force Base, Nevada, July 7, 2020. The results of this test will serve as a metric for medical professionals to determine the percentage of the Creech population, who may have been infected by the virus and now have antibodies. (U.S. Air Force photo by Staff Sgt. Omari Bernard)
CAMERA
NIKON D750
LENS
60.0 mm f/2.8
APERTURE
3
SHUTTERSPEED
1/400
ISO
800
No camera details available.
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