Aperture F-number f/4.0 Exposure Time: 1/50 ISO: 800 Image information: Ural Owl with chicks at nest (Strix uralensis) Kuusamo Finland June 2011 Time from camera: 2011:06:04 Copyright: Markus Varesvuo Pursilahdenranta 2B22 00980 Helsinki Finland +358405033831 markus.varesvuo@lintukuva.fi Camera: Canon EOS-1D Mark IV Focal Length: 500/1 | |