Lavatera trimestris 'Silver Cup'

This photo was taken in my garden during July 2012.
The technical information is as follows.
Camera - Canon EOS 5D Mk II
Shutter speed - 0.6s
Aperture - f8.0
Lens - Canon EF 100mm f2.8 Macro USM
Focal Length - 100mm
ISO - 100
Filter - Hoya 58mm HD Circular Polariser
Tripod