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Lt. Col. (Dr.) Shannon Buck, Col. (Dr.) Chad Hivnor and Lt. Col. (Dr.) Shannan McCann, 59th Medical Specialty Squadron dermatologists, perform fractionated carbon dioxide laser surgery Sept. 6, 2019 at Wilford Hall Ambulatory Surgical Center, Joint Base San Antonio-Lackland, Texas. Hivnor has been performing the surgery for 12 years and is training Buck and McCann in the technique. (U.S. Air Force photo by Tech. Sgt. Katherine Spessa)
CAMERA
NIKON D850
LENS
85.0 mm f/1.8
APERTURE
2
SHUTTERSPEED
1/400
ISO
500
No camera details available.
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