How To Avoid Sale Fraud In A Purchase Of Digital Comera

As digital camera goes deep in our life and becomes cheap, getting one in hand is really a good thing. They helps us Capturing the precious moments of our life and freeze them forever, add joys to our life, even just for showing off, etc. But because of the competitive market and manufactory or distributors' touts, consumers often fall into the common misconceptions. Here are some notices to get things clear.

First notice. Do not take much of digital zoom. Unlike optical zoom which focus distant object on the sensor by the movement of the lens , digital zoom is realized by cropping the original picture and enlarging electronically . It does not show more details then the image when no digital zoom used, however it creates more noise which make the image blur and not clear. Most digital camera has digital zoom but it is not the hot point.

Second notice. Effective resolution or Sensor resolution and max resolution. Resolution determines the size of image, the more pixels, the larger the image is. Effective resolution is the resolution of the sensor, which is real, means the capture power of the sensor. Max resolution is virtual, interpolated electronically like digital zoom. And it also creates noise. Because of the market competition race, some sellers confuse the two concepts intentional. So it's important to make it clear which are they talking about.

Third notice. Camcorder function. Some people think once get a digital camera combined with camcorder function, then there is no need to worry about movie capture. Are things really so easy? NO. Most digital camera now combines camcorder function, and some of them even features high resolution movie capture. But they are not equal. Take a simple explanation. Most digital camera' s sensor are 1/2.5", 1/2", 1/1.6", in one word, less then 1". What about professional camcorder? They use 1", 1.5" even 2",3". If you really really want to shoot movie, we strongly advise you to invest a camcorder dedicated to the job.

Fourth notice. Anti-shock instruction or shock resistance. Like other precise electronic device, digital camera is not shock resistant. And in order to make it light weight, most of camera is made of plastic not metal.

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