The photography hobby dates back to the 1820s, and since then, it has undergone many changes. The simplest explanation of photography is that it seizes a moment in time by capturing light on a panel that has been light-sensitized. Most often, panels are made of film, which is developed into prints. Modern photographers often rely on digital forms, which convert the light into electronic information. Many people choose photography as a hobby because it is easy to learn, but it can take years to perfectly hone one's technique.
If you want to get involved in photography, you should begin bringing a camera with you everywhere. An expensive camera is not required, but a bare-bones model won't help much either. Consider buying a camera with a removable lens, which allows for more versatility. As you become more comfortable behind the lens, you can further refine your technique.
Taking photography classes are an essential step in the learning of the hobby. Classes cover basic focus and composition techniques, allowing you to produce higher-quality pieces. In many cases, group critiques are involved, which allow you to improve your work via others' input. If you try to go it alone, you will eventually plateau, but if you take a class, you will improve your artistic ability.
These classes are broken into the film and digital categories. Many photographers work with both media, but to start with, choose one or the other. If you choose film, classes teach you about development, priting, enlargement, and darkroom skills. Digital photography teaches you about processing and handling files, and photo manipulation may also be covered.
If you want to be involved in photography, you need to practice often. Use your skills and confidence by taking your camera everywhere, and taking pictures of a variety of subjects. Don't forget to carry extra film or memory cards so your resources are less limited. As you develop your skills, try to critique your work honestly and ask others for their opinion. The more you practice, the more your personal style will come through.