It was bright out at midday and the sun was shining directly onto the mum mound (the potted mum looks like a giant mound of flowers). The 105 mm macro lens has an extremely shallow depth of field so with the lens wide open only a fraction of an inch of the flowers was in focus. The low ISO (100) and the fast shutter speed (1/2000) and -0.7 exposure compensation, made the area surrounding the flowers very dark and the lighted area seemed to glow. It reminded me of an effect of the Topaz Glow filter but I did not use any filters on this.
