Common Reedmace (Typha latifolia)

This photo was taken at Heriot Watt University, Riccarton, Edinburgh during September 2012.
The technical information is as follows.
Camera - Canon EOS 5D Mk II
Shutter speed - 1/2
Aperture - f14.0
Lens - Canon EF 100mm f2.8 Macro USM
Focal Length - 100mm
ISO - 400
Filter - Hoya 58mm HD Circular Polariser
Canon 580EX II Flash with Stofen Diffuser and Canon 420EX Flash with Stofen Diffuser