Christmas Rose (Helleborus niger)

This photo was taken during January 2013.
The technical information is as follows.
Camera - Canon EOS 5D Mk II
Shutter speed - 1s
Aperture - f16.0
Lens - Canon EF 100mm f2.8 Macro USM
Focal Length - 100mm
ISO - 100
Nissin MF18 Macro Ring Flash
Filter - Hoya 58mm HD Circular Polariser
Tripod