Trilobite
Flexicalymene Tazzarinensis (Caradoc...upper Ordovician ; Tiouririne near Maider. Length : 6,5cm ; width : about 4cm.
Photo Information
- Taken with OLYMPUS IMAGING CORP. FE5030,X965,X960
- Focal Length 4.7 mm
- Exposure Time 10/2500
- f Aperture f/7.9
- ISO Speed 800
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