Leopard resting in tree

EXIF Information extracted from file:
Artist: Photographer: Mark Chertkow
DateTimeOriginal: 2009:07:30 06:25:59
Copyright: Copyright: M Chertkow
Camera Make: Canon
Camera Model: Canon EOS 50D
Exposure Time: 1/60.0 seconds
FNumber: 4.0
ISO Speed Ratings: ISO 200
Exposure Program: Aperture priority
ExposureBiasValue: +-1 1/3
MaxApertureValue: 4.0
MeteringMode: multi-segment
Flash: Flash did not fire, compulsory flash mode
FocalLength: 500.0 mm
Software: Adobe Photoshop CS4 Windows