With the acceptable image quality and the other advantages of digital photography, particularly the time constraints of vital importance to newspapers, the majority of professional news photographers have begun capturing their images with digital cameras. 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. Modern digital cameras have comparable noise/grain at the same ISO as film cameras. Digital photography has also been adopted by many amateur snapshot photographers, who take advantage of the convenience of the form when sending images by email, placing them on the World Wide Web, or displaying them in digital picture frames. Fashion photography emphasizes the clothes or product, glamour emphasizes the model. Photojournalism can be considered a subset of editorial photography. If photography is authentically art, then photography in the context of art would need redefinition, such as determining what component of a photograph makes it beautiful to the viewer. 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. When it comes to taking quality photographs, you need to know what lenses you should use, and when you need to use them. Digital photography was used in astronomy long before its use by the general public and had almost completely displaced photographic plates by the early 1980s.