Traditional Culture Encyclopedia - Photography major - Nikon photography rectangular bag
Nikon photography rectangular bag
Resolution refers to the horizontal and vertical resolution of imaging, which is an actual physical size; Pixel refers to the physical pixel value of the camera photoelectric device (CMOS), that is, the capability of the material; Effective pixel refers to the pixel value actually used.
Methods of improving image quality
1, reducing ISO (sensitivity)
The lower the light allowed, the better. In order to achieve the ultimate image pursuit, SLR should not exceed 400, micro-single and flagship DC should not exceed 200.
2, accurate exposure
Keeping the light and shadow information to the maximum extent means that the light and shadow information of any element in the picture should be kept in the picture, rather than accurately exposing the shooting target, that is, photographers often say that the brightest place is not exposed and the darkest place is not black.
3. Use the limit of equipment carefully.
This range is very wide. For example, a lens with a maximum aperture of 1.4 is recommended to be used with a maximum aperture of 2.8. For the body of the largest ISO6400, it is recommended that the maximum aperture 1600 be zoomed, and the maximum aperture 180 mm be zoomed. At the same time, due to diffraction, digital cameras should not be adjusted to 65438+ when opening the minimum aperture. Because the picture quality is often poor in these extreme States.
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