Buy digital camera mainly to see what configuration?
4. aperture size, if the card can be the largest aperture in the F2.0 or so, it is very good, F1.8 is better, dark light is very useful, there is a certain role in the background blur.
2. Photographic element size, card machine generally from 1 / 1.6 inch to 1 / 2.5 inch between the bigger the better, that is, 1 / 1.6 of the good, but expensive
1. Note to buy more powerful brand, card machine has Canon, Nikon, Panasonic, sony, Fuji and so on.
3. Photographic element type, CCD, COMS, each have their own advantages, but the latter is now more common, mainly in dark light under the advantage.
CCD in the light when the details are better, but the structure is complex, in the small machine on the small sensor no advantage.
