Photos

Quantitative Fit Test

U.S. Air Force Tech Sgt Matthew Cavalier, a bioenvironmental engineering technician from the 133rd Medical Group, administers the quantitative fit test in St. Paul, Minn., April 6, 2024. This test aims to validate the effectiveness of a respirator by measuring the concentration of particles in the ambient air and comparing that value to the concentration of measured particles within the gas mask. (U.S. Air National Guard photo by Maj. Andrea Kostiuk)

PHOTO BY: U.S. Air Force Maj. Andrea Kostiuk
VIRIN: 240406-Z-F3885-1002.JPG
FULL SIZE: 1.52 MB
Additional Details

CAMERA

iPhone 14 Pro Max

LENS

iPhone 14 Pro Max back dual wide camera 6.86mm f/1.78

APERTURE

89/50

SHUTTERSPEED

1/60

ISO

250

IMAGE IS PUBLIC DOMAIN

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This photograph is considered public domain and has been cleared for release. If you would like to republish please give the photographer appropriate credit. Further, any commercial or non-commercial use of this photograph or any other DoD image must be made in compliance with guidance found at https://www.dimoc.mil/resources/limitations, which pertains to intellectual property restrictions (e.g., copyright and trademark, including the use of official emblems, insignia, names and slogans), warnings regarding use of images of identifiable personnel, appearance of endorsement, and related matters.

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