Many people enjoy photography in general, but some like to focus on just one type of photography. There are various styles of photography including nude photography, sports photography, underwater photography, landscape photography, animal photography, aerial photography and portrait photography, etc. You may focus on a type of photography because it is your profession or because it is your passion. Certain types of photography, such as underwater, will mean you will require special equipment to enjoy it. There have been many spectacular and world famous photographs taken in most types of photography with many of them coming from photojournalism, as they often cover historical events. If you are going to focus on one certain technique make sure it is something you are interested in. You will soon find out what equipment is needed as you go along, as well as its cost.