Common Dog-violet (Viola riviniana)

This photo was taken at Bellsquarry Birchwood, Livingston during May 2013.
The technical information is as follows.
Camera - Canon EOS 5D Mk II
Shutter speed - 1.3s
Aperture - f14.0
Lens - Canon EF 100mm f2.8 Macro USM
Focal Length - 100mm
ISO - 200
Canon 580EX II Flash
Canon 420EX Flash with K8 Pro Flash 6 Colour Softbox
110cm Translucent Reflector
Filter - Hoya 58mm HD Circular Polariser
Tripod