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Buying Digital Camera

With more and more models for digital cameras, it is not easy to find one which fits our requirements. However, here we can suggest some criteria for your selection
1.  How much PIXELS you need?
 

Below table shows 200 ¡V 300 pixels are already enough for 3R/4R photos. But, if you want to enlarge your photo to 8R, choice of 400 pixels is recommended. Nowadays the pixels of the digital cameras are up to 1000 whihc is enough to print a 12"x18" photo.

Product

Image Size
(Inch)

The Best Resolution
(Pixels)

Minimum Resolution
(Pixels)

  1.5"x2" ID Photo 8 pcs

1.5 x 2

450 x 600

270 x 360

  2R

2.5 x 3.5

750 x 1050

450 x 630

  3R

3.5 x 5

1050 x 1500

630 x 900

  4D (4.5"x6")

4.5 x 6

1350 x 1800

810 x 1080

  4R

4 x 6

1200 x 1800

720 x 1080

  5R

5 x 7

1500 x 2100

900 x 1260

  6R

6 x 8

1800 x 2400

1080 x 1440

  8R

8 x 10

2400 x 3000

1440 x 1800

  8F

8 x 12

2400 x 3600

1440 x 2160

2.  Light Focus or Digital Focus?
  The image taking under Digital focus is a bit distorted since the image has been enlarged to the exact size by internal digital focus function. While light focus is more stable to capture the highest quality of image. The range for light focus and the width of the camera is inter-related, so a balance design between them is very important.
3.  Which battery is more durable?
  It is very common to use Professional battery for digital camera. However, 2A battery is a good substitute. Though the former is more durable, 2A becomes more popular due to its increasing battery volume and shorter battery recharge.
4.   Which memory card is best?
  Compact Flash card, Memory Stick, SD Card, xD Card and Ultra Flash card are mostly used. Compact Flash and SD Card are lower in price while Memory Stick is relatively higher. About the memory size, most common of Compact Flash has 8G capacity. However Ultra Flash Card not only has large memory but also has fast saving speed, if your digital camera can be writen by high speed, Ultra Flash Card should be a good choice. xD is the smallest in terms of size.

 
       

 

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