Photo Information
- Taken with PENTAX RICOH IMAGING PENTAX WG-3
- Focal Length 5.5 mm
- Exposure Time 1/45
- f Aperture f/2.3
- ISO Speed 1000
By Archie
Asteracanthus tenuis
Jurassic, Bajocian
Ketton quarry, Lincolnshire
175 mya
14mm (across base)
By blackdanter,
By JamieLynn,
By JamieLynn,
Recommended Comments