1. There are some photographic effects that can be achieved by using both digital and analog technology. Such as to change and add special lighting in order to create the photograpic effects. For example the background lighting. Also, cutting strange and meaningful angle can also be done by digital and analog technology.
2.There are some photographic effects that can only be achieved by using digital. Such as the function of copy and paste, changing of pattern, color, adding of text, frame, editing of background, shape and content. Those function and effects can change the original meaning of the photo.
3. There are also some difference between analog photography and digital photography, such as digital photography can create special photograpic effects that can not be achieved by analog photography, for example we can add our figure to a specific location (Tokyo) by using the digital technology. That means we can change the content of the photo by creating different subject. Tha most common example is that we can pretend to have visited Paris by adding our photo to a distinct tourist spot. Also we distort the composition of each subject, suah as to lengthen the nose of the person, to cut the hand of the person, to merge unrelated object to the content. Sometimes the unrealistic or surrealistic image can also be created through digital technologies. Those effects may not be reproduce by the traditional camera, and thus will not be presented in analog photography. So we can see the type, content, form and composition were different between analog photography and digital photography.

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