To score well in the assigned subject category, the assigned subject should be the obvious center of interest within the image. Images where the assigned subject is a minor aspect of the composition historically do not receive high scores or are disqualified.
The Assigned Subject Competitions for the 2016-2017 season are:
A sport photograph is an image of an athletic activity requiring skill or physical prowess and often of a competitive nature, as racing, baseball, tennis, golf, bowling, wrestling, boxing, hunting, football, soccer,etc.
Black & White Photograph:
A black and white photograph consists of blacks, whites, and shades of gray in between. No other color is permitted in the image.
Night Photography - refers to photographs taken outdoors between dusk and dawn. Night photographers generally have a choice between using artificial light and using a long exposure, exposing the scene for seconds, minutes, and even hours in order to give the digital sensor enough time to capture a usable image.