a) What is the focal point of a lens? b) What is the focal length of a lens?
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That means that the focal point is on the same side of the lens as the light rays were coming from. In actuality, there are two focal points for every lens, the same distance from the lens, on opposite sides. The distance from the lens to the focal point is called the focal length.
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the distance of a focus from the surface of a lens or curved mirror.
A focal point is the part of an image that draws the eye of a viewer to the most important part of the image or the area that you want to highlight. How you do this will make or break the final image.
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