Traditional Culture Encyclopedia - Photography and portraiture - How large is the fov of unity3D RPG camera?
How large is the fov of unity3D RPG camera?
Generally speaking, the terms telephoto lens and wide-angle lens are often mentioned in photography. These lenses are actually classified according to FOV. Standard lens: the viewing angle is about 45 degrees, and it has a wide range of use. According to some surveys, the effective FOV of the human eye is 45 degrees.
Many people will say that I feel that the range that my rear light can see is obviously greater than 45 degrees, that's right, so I'm talking about the effective FOV here. Pay attention to whether the part beyond 45 degrees is blurred, and we have to admit that the FOV of the human eye is very small. Telephoto lens: The viewing angle is less than 40 degrees, and it can be shot at a long distance. Personally, I like to use it to "shoot birds", but there is a very annoying thing when shooting birds, that is, it is difficult for the camera to keep up with birds. The reason is that the field of vision is too small, and it is necessary to rotate the lens at high speed to make the bird appear in the center of the picture.
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