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Kotomi_
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Side view - Amethyst engraved with a portrait of the emperor Constantius II, Roman, about AD 360



Taken on: August 19, 2011
Sets appears in:   British Museum - jewellery   
Camera: Canon EOS 500D, f/6.3, 1/60 sec, 200mm, ISO 1600 (more info) (hide info)
Camera: Canon EOS 500D
Lens: EF-S18-200mm f/3.5-5.6 IS
Aperture: f/6.3
Exposure Time: 0.017 sec (1/60)
Focal Length: 200mm
ISO: 1600
Exposure Bias: -1 EV
Flash: Off, Did not fire
Exposure Program: Aperture-priority AE
Exposure Mode: Auto
Metering Mode: Multi-segment
White Balance: Auto
Color Space: Uncalibrated
Software: Adobe Photoshop CS5 Windows
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