Return to Photographs by John de Dios

Kimberly Andrews Espy (left), the UA’s senior vice president for research, and NSF director France Córdova visit with Thomas Swetnam, Regents’ Professor of Dendrochronology and director of the Laboratory of Tree-Ring Research. (Photo: John de Dios)

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Photographs by John de Dios

Dimensions:
2000 × 1333
Credit:
JOHN de DIOS
Taken:
February 12, 2015

Aperture

2.8

Focal Length

21mm

Shutter Speed

1/100

ISO

1250