Crepuscular Rays

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Crepuscular rays are dramatic beams of light and shadow which seem to radiate from the sun through the intervening clouds. These cloud shadows are actually parallel rays -- perspective makes them seem to converge on the sun. They are usually formed by distant clouds -- sometimes even clouds that are hidden beyond the horizon. In this photo the rays are formed by a close rocky ridge, and projected on swirling morning fog.

Date: December 23, 2006
Time: 9:53 a.m. MST
Location: Echo Canyon Trailhead, Camelback Mountain, Arizona
Camera: Kodak Z650 Zoom Digital
ISO setting: 80
Focal length: 6 mm
Aperture: f/4
Exposure time: 1/800 second


Revised: January 2, 2007
Copyright © 2007 Joe Orman
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