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An 8th Healthcare Operations Squadron bioenvironmental engineering technician, adds a pH tablet to a water sample during a training event at Kunsan Air Base, Republic of Korea, Sept. 14, 2022. The tablet and water react with each other and change the sample into a different color depending on the pH balance of the water source. (U.S. Air Force photo by Staff Sgt. Sadie Colbert)
CAMERA
NIKON D850
LENS
24.0-70.0 mm f/2.8
APERTURE
5
SHUTTERSPEED
1/400
ISO
3200
No camera details available.
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