Tablets with optical zoom
— the presence of optical zoom in the main camera (in modules for several lenses - at least in one lens, usually the main one).
Such an increase is carried out due to the movement of the lenses in the camera lens: the shift of the lenses reduces the viewing angle, as a result, the objects remaining in the frame look larger. This is more effective than digital "zoom", when a separate section of the image from the sensor is stretched over the entire frame: optical zoom, in contrast, allows you to use the entire area of \u200b\u200bthe sensor and shoot at full resolution, regardless of the degree of zoom. On the other hand, moving lens systems are quite complex and expensive, and it is difficult to achieve powerful optical zoom in tablets due to size limitations. And the optical zoom ratio is small - from a certain moment the camera switches to digital zoom or to a separate telephoto lens (there is also such a format of work).
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