Staff Sgt. Sean Pentz, Component Maintenance Squadron precision measurement equipment laboratory technician, uses a line up sight telescope, an optical micrometer and an optical wedge to calibrate a multiple-target collimator on Kadena Air Base, Japan, Oct. 3, 2013. The collimator is used to calibrate surveillance equipment and can be used to replicate a target at infinity without distortion. (U.S. Air Force photo by Senior Airman Marcus Morris)
CAMERA
N/A
LENS
APERTURE
SHUTTERSPEED
ISO
No camera details available.
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.