What does macro mean in a camera?

Lens macro refers to the macro lens logo. 1. camera lens knowledge: the camera lens is a key component of the camera, and its performance will have a great impact on the photographic effect. Second, the knowledge of macro lens: when the camera shoots subtle objects, such as flowers and insects, in order to better focus, it is necessary to use macro lens. What does the macro in the camera mean? The answer is macro. Lens macro is macro. Macro literally means close shot, close shot in photography. Used to express the micro-world, good at expressing still life, portraits, flowers, birds, fish and insects and commercial photography. Because the macro world is invisible to human eyes, it can turn a very ordinary scene into a dramatic scene. Macro lens is a kind of special photographic lens with a wide range of uses, which will be used in copying documents, scientific exploration and artistic creation. Submission: yangang "Macro", which is the logo of macro lens, has a large magnification and is suitable for shooting macro works. Macro photographic lenses generally have two structures. One macro photography lens adopts the structure of built-in telescopic lens barrel, and the other adopts the structure of exchanging the front and rear positions of optical lens groups in the lens. It is difficult to alternate close-up photography with ordinary photography by adding close-up accessories to ordinary photography lenses. Macro photography lens is different, its close-up does not depend on other close-up accessories, all close-up operations are carried out on the lens itself, and it can focus continuously from close-up to infinity, so that it can be quickly adjusted from close-up state to ordinary photography state, which provides convenience for photographers to alternately take close-up photography and ordinary photography.