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ut also improve efficiency. [ 1 ]

The second is a preview. Customers can watch the effect on the screen , on the spot from which to choose their own satisfaction , dissatisfaction can delete photos. "Memory Stick" rewritable several scenes , if you are using a traditional photography , affected by the distance , the customer is very difficult to see the photos in a timely manner .

The third is a variety of post-processing. Traditional photographic prints can not be repaired , replaced background , the digital signal can now be transferred to a PC , the powerful software support, even if the picture looks good, can also be corrected or compensated. Imagine , if you want a negative image negated , then using traditional photographic methods will be copied reversal processing , not only inefficient, but also of poor quality ; while the use of digital photography in Photoshop , we only need one Invert ( negated ) command can be done in an instant , but also to avoid environmental pollution , and we got nothing to do with ordinary photograph the same, or even higher resolution. Quality and price gap is gradually reduced , bright room operation also replaced the darkroom operations, darkroom techniques even been replaced by the magic of computer effects . The use of digital photography gives us a broader and more liberal imagination implementation practices, and environmentally friendly.

However , traditional photography and digital photography in the shooting technically there are also some significant differences . For example, in the shadow of traditional photography can adjust the aperture and shutter speed according to the work 's mood and needs of customers in order to get a different depth of field, while digital photography is generally automatic aperture , depth of field is large, it is difficult to demonstrate some special scene needs. Secondly, the digital camera is generally based on the central focus, to achieve the traditional camera special effects there are certain difficulties . Again, because of the special nature of electronic components and circuits , often expressive of light as a traditional camera , especially when shooting a backlit scene , and we believe that the rapid development of science and technology , these problems can be solved.

Today's society, digital information is everywhere, digital photography digital information as an important part of growing rapidly . Either from a technical or artistic , whether it is equipment or on exchanges have a greater advantage than traditional photography . Especially the rapid development of equipment , and more pixels high, the operation more convenient , more and more memory stick , as well as the trend of gradual hard , static and dynamic shooting shooting trend of combining to make digital photography even more by the people of all ages. Applications, in newspapers, news agencies, digital camera penetration is almost one hundred percent , in Western countries, passport has been eliminated with a film shoot , and then out of the photograph of services, but directly from the digital technology of personal information ( including photo ) one-time record. The third -generation digital snapshot has been confirmed by the Foreign Ministry , diplomatic official passports can achieve photo quality standards ; growing number of studio industry began using professional digital machine back to the studio for digi本论文由英语论文网提供整理，提供论文代写，英语论文代写，代写论文，代写英语论文，代写留学生论文，代写英文论文，留学生论文代写相关核心关键词搜索。