With the development of science and technology, there are more and more electronic gadgets in the market for the customers to choose. In our life, we use the electronic gadgets everyday. In other words, without these electronic gadgets, the quality of life will fall off greatly.
Among these electronic gadgets, people are very grateful for the designer of the digital camera. It brings the convenience to people. In the market, there are various kinds of digital cameras produced by different purchasers. As a result, many customers do not know how to choose the digital camera. They often buy the digital cameras inferior in quality with a lot of money. In fact, it is not difficult for people to choose the good digital camera as long as they know some elements that determine the quality of camera. Dealextreme provides a place for people to choose good digital camera. CCD is the photosensitive element of the digital cameras. CCD plays a role of receiving the signal when it works. As a result, the manufactures often use the pixel of digital camera as the standard of cameras. If you want to judge the pixel of the digital cameras, you should know a formula about pixel: the image size is multiplied by the square of resolution. If you want to choose digital cameras just for daily use, the pixel of 800 thousand is enough for you. If you are a professional reporter or photographer, the pixel of two or three million is suitable for your using. If the digital has good lens, it is much easier for users to capture objects. If the digital camera has great zoom, the objects in the long distance can be taken more clearly, and vice versa. As a result, choosing a digital camera with a great zoom means you can clearly and effectively shoot the objects in the long distance. There are two kinds of zoom: the physical zoom and digital zoom. The physical zoom plays the most important role. The function of zoom is to amplify the objects in the viewfinder. It can not play the role of making the objects much clearer. So the costumers should make a difference between the physical zoom and digital zoom. When you choose the digital cameras, you should take the caliber of cameras into consideration. If the caliber of digital cameras is small, the effect of shooting is not satisfying in the dark light, although your camera has a great zoom.
People should appreciate the electronics and Dealextreme. Because of them, our life becomes more convenient and beautiful.
The author is enthusiastic for digital products especially cell phones. Recently she is quite interested in Dealextreme because of the numerous novel gadgets there. She believes that such tiny decorations will make life much more sweet.
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