Jeff Barton
chipdatajeffb
Quartz 6819
Closeup of Arkansas quartz at the Mid-America Science Museum near Hot Springs.
Natural light (room light plus overhead halogen spot). The largest crystals in this image are several inches across. Camera was about 8 inches from nearest crystal. 18mm lens on Pentax istDS DSLR, autofocus and exposure (about 1/10th second).
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Uploaded on May 30, 2010
Taken on May 30, 2010
Quartz 6819
Closeup of Arkansas quartz at the Mid-America Science Museum near Hot Springs.
Natural light (room light plus overhead halogen spot). The largest crystals in this image are several inches across. Camera was about 8 inches from nearest crystal. 18mm lens on Pentax istDS DSLR, autofocus and exposure (about 1/10th second).
1,023
views
4
faves
0
comments
Uploaded on May 30, 2010
Taken on May 30, 2010