Appliance (2011/03/07)
Index
On Digital Cameras
Published:2011/3/7 21:42:00 Author:LiuQiaoyan
Digital camera is in widespread use in the 21st century. Compared with film camera, digital camera can do many things. For example, watching pictures on the screen immediately after they are taken, storing thousands of images on a single small memory card, and deleting them to set free space. However, the two kind of cameras share the same optical system, by focusing light onto an image pickup device with a lens ha... (View)
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Pay More Attention To Choosing Lamps
Published:2011/3/7 1:39:00 Author:LiuQiaoyan
LED lamp refers to light that uses light-emitting diodes as the source of light, which are applied to areas where colored light is demanded, and they come in various colors that released without filtering. Let’s discuss the advantages and disadvantages about this kind of lamp. Advantages include small in size, low power consumption, long lifespan, environment-friendly, firm and durable. Firstly, being smal... (View)
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