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Aperture F-number f/4.0 Exposure Time: 1/1600 ISO: 320 Image information: Snowy Owl (Bubo scandiaca), Seinäjoki Finland January 2003 Time from camera: 2003:01:27 Copyright: Markus Varesvuo Pursilahdenranta 2D54, 00980 Helsinki Finland. mobile +358405033831. markus.varesvuo@lintukuva.fi Camera: Canon EOS-1D Focal Length: 500/1