Traditional Culture Encyclopedia - Photography major - What does optical zoom mean?
What does optical zoom mean?
By adjusting the focal length of the lens, the image of the object can be enlarged or reduced.
By changing the optical structure of the lens, the focal position of the light passing through the lens changes and the image size changes. Optical zoom is often used in photography, cameras and telescopes. In the camera, the optical zoom function allows the photographer to zoom in or out of the near and far objects by adjusting the focal length of the lens without changing the shooting position. This can better capture distant details or shoot wide-angle scenes.
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