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How does Meniscus Znse Lens choose the application
Posted on:
2022-03-25
Among Meniscus Znse Lenses, convex lenses are particularly common and widely used. A convex lens is a lens that is thicker in the center and thinner at the edges. Convex lenses have the function of converging light, so they are also called "converging lenses" and "positive lenses" are usually used for hyperopia and reading glasses. Such optical lenses can be divided into: biconvex lens - a lens with two convex sides; plano-convex lens - a lens with one side convex and one side flat; and a meniscus lens - a lens with one side convex and one side concave. Briefly explain the imaging principle of convex lens.
We all know that the imaging law of Meniscus Znse Lens convex lens means that the object is placed out of focus and is inverted on the other side of the convex lens. There are three types of real images: reduced, equal, and enlarged. The smaller the object distance, the larger the image distance, and the larger the real image. When the object is placed in focus, an upright magnified virtual image is formed on the same side of the convex lens. The smaller the object distance, the smaller the image distance, and the smaller the virtual image. In optics, the image formed by the actual light is called a real image, which can be connected by a light screen; otherwise, it is called a virtual image and can only be felt by the eyes. When describing the difference between real and virtual images, such a method of distinction is often mentioned: "Real images are upside-down, while virtual images are upright." The so-called "upright" and "inverted" are of course relative to the original object In terms of.
Meniscus Znse Lens is an important component of an optical system and an essential knowledge in optical engineering. Lenses are optical elements made of materials that transmit a specified spectrum, generally visible and near-infrared (IR-A) (400-1400nm) using optical glass, and mid-infrared (IR-C) (3-50mm) using crystal Material. Lens technology can be widely used in machine vision, digital imaging, laser collimation and focusing and various types of optical instruments.
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