As I photograph a stunning Scots Pine near Hadrians Wall, Birdoswald, Cumbria. The tree bathed in the golden hues of sunset! Using my Canon EOS 5D Mark II and EF WideAngle 1740mm f/4L USM lens, I'll show you how lens distortion plays out, especially when the tripod legs sink into a soft, rainlogged field along side the corrected image.