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Thin Lens Formula with Magnification for Concave and Convex Lenses. First of all, what is a thin lens? If the thickness of a lens is negligible in comparison to the radius of curvature, it is a thin lens. The following typical equation is used to determine a relation between the focal length of the lens, the distance of object and distance of ...

Jan 24, 2017· Based on the shape, the lens can be grouped as a convex lens or concave lens. The former brings together the parallel beam of light, while the latter disperses it. So, the point of focus in case of the convex lens is the point where all the light rays meet, i.e. point of convergence, but if we talk about the concave lens, the focal point is the ...

Sep 26, 2015· The concave lens is known as the diverging lens because it diverges the rays after they pass through it , The image formed by the concave lens is a virtual image because it can not be received on a screen . Uses of the concave mirror and the convex mirror in our daily life. The types and uses of lenses in our life

Plano-Concave Lenses are ideal for beam expansion, light projection, or for expanding an optical system’s focal length. Plano-Concave Lenses, which have one concave surface, are Optical Lenses with negative focal lengths. PCV Lenses should be oriented with the plano, or flat, surface towards the desired focal plane.

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