Learning how to expose a photo properly is not hard at all. It is probably one of the easiest things to learn in photography. If you think so, this article will show you that it isn’t hard at all.photography tips Shutter Priority Mode; This mode lets you control how long light is let into your camera. The aperture is then automatically adjusted to this length of light let in. This is the best option when you want to avoid blur or are in certain settings. Aperture Priority Mode; This mode lets you control the amount of light that is let in through the iris of the camera. A larger iris means more light will be let in.