Photo Information
- Taken with Apple iPhone 6s
- Focal Length 4.2 mm
- Exposure Time 1/30
- f Aperture f/2.2
- ISO Speed 80
By Ken K
Middle Silurian crinoid Eucalyptocrinites crassus from the Waldron Shale. Collected and prepared by Ken Karns. Specimen measures approx. 12" on a matrix slab measuring 14" x 6.5".
By Collector9658,
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