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Staff Sgt. Dantes Johnson, 56th Component Maintenance Squadron precision measurement equipment lab technician, calibrates a frequency counter July 1, 2021, at Luke Air Force Base, Arizona. Frequency counters measure the number of cycles of oscillation, or pulses per second in a periodic electronic signal. PMEL technicians ensure accurately calibrated equipment to support the needs of the Air Force, sister services and allied forces. (U.S. Air Force photo by Senior Airman Phyllis Jimenez)
CAMERA
NIKON D850
LENS
24.0-70.0 mm f/2.8
APERTURE
8
SHUTTERSPEED
1/100
ISO
1600
No camera details available.
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