encouraged photography picture artist options love responce saturation outline rules thirds iso portray land lies priority hate wrong camera imagery canon photo emotional firmware hardware contrast brightness nikon cap high dynamic range dull spectrum megapixels procedure focus flash filter capture film formal shot print slide figure merit subjective snap optic feelings foreground pinhole iris aperture justified judged entity colour taken shared experienced light visualise greyscale art array represent manual speed time experience portrayal informed mode diffusion left behind shutter