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| Spanish | English |
| longitud focal | focal length (The distance between the camera's lens and the image plane) |
| luz focal | spot light (A type of light that is cast like a real spot light. The light starts from the position of the light and spreads out in the shape of a cone. Parts of a 3D object outside the cone of light cast will not be affected by the spot light) |
| relación focal | focal ratio (In photography, the diameter of the aperture expressed in terms of the focal length of the camera lens. The greater the f-number, the less light reaches the film and the more in focus the objects in the foreground and the background will be. For example, with an f-number = 16 the objects in the far background will be in focus. Whereas, with an f-number = 2 the background will be blurry (while foreground objects are in focus)) |