Categories of photography are the general types of photography that focus on different subjects or goals. Some examples of categories are portrait, landscape, wildlife, wedding, sports, documentary, and fine art photography. Each category has its own challenges and rewards, and you can learn a lot from trying different ones.
Approaches of photography are the specific ways to photograph or edit images. Some examples of approaches are black and white, color, infrared, macro, long exposure, HDR, panoramic, and abstract photography. Each approach has its own advantages and disadvantages, and you can have fun experimenting with different ones.
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