(In photography, the magnification is usually defined to be positive, despite the inverted image.) For example, with a magnification ratio of 1:2, we find and thus the angle of view is reduced by 33% compared to focusing on a distant object with the same lens.
(In photography, the magnification is usually defined to be positive, despite the inverted image.) For example, with a magnification ratio of 1:2 we find and thus the angle of view is reduced by 33% compared to focusing on a distant object with the same lens.