Blue Tit

This photo was taken in my garden during November 2010.
The technical information is as follows.
Camera - Canon EOS 5D Mk II
Shutter speed - 1/500
Aperture - f8.0
Lens - Canon EF 500mm f4.0 L IS USM plus Kenko 68mm Extension Tubes
Focal Length 500mm
ISO 3200
Tripod