Fashion photography emphasizes the clothes or product, glamour emphasizes the model. Photojournalism can be considered a subset of editorial photography. Fashion and glamour photography usually incorporates models. Conceptual photography turns a concept or idea into a photograph. Some commercial photographers, and some amateurs interested in artistic photography, have been resistant to using digital rather than film cameras because they believe that the image quality available from a digital camera is still inferior to that available from a film camera, and the quality of images taken on medium format film is near-impossible to match at any price with a digital camera. It is important to note that the differences between film and digital photography are far less significant than the differences between painting and film photography. Some commercial photographers, and some amateurs interested in artistic photography, have been resistant to using digital rather than film cameras because they believe that the image quality available from a digital camera is still inferior to that available from a film camera, and the quality of images taken on medium format film is near-impossible to match at any price with a digital camera. Other commercial photographers, and many amateurs, have enthusiastically embraced digital photography because they believe that its flexibility and lower long-term costs outweigh its initial price disadvantages. When it comes to taking quality photographs, you need to know what lenses you should use, and when you need to use them. Photography can also be viewed as a commercial and artistic endeavor. When learning to be a professional photographer you should try entering photography contests. Wildlife photography popularly demonstrates the lives of animals. Even after color film was readily available, black-and-white photography continued to dominate for decades, due to its lower cost and its "classic" photographic look.