[ Huaqiang Security Network News ]

When many merchants promote their own cameras, they will say how many times the digital zoom can reach. Many people have such questions in their hearts. The bigger the digital zoom factor, the better? This article gives you a detailed analysis of the advantages and disadvantages of digital zoom.

Digital zoom

The bigger the digital zoom factor, the better? [Answer 1]

Actually not, digital zoom does not mean much. It relies on electronic zoom to achieve zoom. The larger the digital zoom ratio, the worse the image quality, and the high-end camera does not have digital zoom.

Digital zoom is based on sacrificing image quality to increase the zoom factor. It is not recommended if it is not a special case. And as far as optical zoom is concerned, the larger the zoom factor, the better. On the one hand, the larger the optical zoom factor, the more the number of lenses required for the camera, the lower the imaging quality. On the other hand, the larger the zoom factor Need to be more stable on the camera side.

The bigger the digital zoom factor, the better? [Solution 2]

Nowadays, digital products like to exaggerate some functions that have no practical meaning. The biggest confusing person should count high-power digital zoom. Now the DV can be advertised to 1200 times digital zoom, which is very tempting! In fact, the digital zoom factor is not meaningful, 40 times in actual use is enough, because too much digital zoom will seriously damage the image, sometimes even because the magnification is too high, and can not tell the difference Picture.

Compared with optical zoom, digital zoom is a kind of simple amplification that sacrifices image quality. Optical zoom is characterized by farsightedness and image quality is not damaged, so we should try our best when purchasing digital video cameras. Select a model with a large optical zoom factor, so that not only can the scenes of different distances be able to obtain clear images, but also the closer objects can be drawn, and the shooting is satisfactory. The effect, and digital zoom should not be the main consideration when buying.

Recommended reading: The bigger the optical zoom, the better? What does digital zoom mean? What does optical zoom mean?

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