Camera and vision:
extension or limitation
Firstly, in vertical terms, the zoom function of the camera helps to extend our vision. When the camera is zoomed in, the angle of visual observation changes from whole to partial, thus providing more opportunities and possibilities to observe micro movements, micro expressions, or subtle things that are overlooked in everyday life.



From a lateral perspective, however, the frame of the camera limits the perceptual range of vision. When you use a camera, you may focus more on the composition or the image you're capturing. You'll be completely focused on the world framed by the lens, oblivious to numerous elements outside of it.




Meanwhile, the zoom function of the lens also affects the range of visual senses. As the human visual field is limited and the frame range of a wide-angle lens is often much larger than the human eye, a wide-angle lens is often able to see more than the naked eye can. At the same time, the field of view presented by these wide-angle lenses, as well as the imaging capabilities of the camera's display, can in turn affect our own sight and even create false visual illusions for our brains, making us believe that what the camera is seeing is what our eyes are actually seeing.