Dendrobium Flower

This photo was taken during July 2013.
The technical information is as follows.
Camera - Canon EOS 5D Mk II
Shutter speed - 0.6s
Aperture - f18.0
Lens - Canon EF 100mm f2.8 Macro USM
Focal Length 100mm
Canon 580EX II Flash with K8 Pro Flash 6 Colour Softbox and White Diffuser
ISO 200
Filter - Hoya 58mm HD Circular Polariser