Digital photography and camera

Digital technology helps us to achieve many photographic effects .We can amplify or lessen the pictures as our preference. Also, we can regulate the brightness , roughness of the pictures when we use the digital technology . On the other hand , we can add objects into the picture which the object doesn't appear on the picture .

However , some photographic techniques can only be done by using the digital technology, such as adding some objects into the pictures . We would like to add some objects into the pictures in order to make the picture more meaningful . For example, someone takes a picture of the sky . He may puts a angel under the sky which makes the scene implying the angel coming from the heaven. Also, the digital technology can help sharpen the facial expression of people .

Analog photography is limited by the surroundings so it is less flexibility . Digital photography exists a high degree of flexibility . It can be regulated according to human preference .