Plano-convex lenses usually collect and concentrate light in imaging applications.
The front and back surfaces of the plano-convex lens are asymmetrical, so the spherical aberration can be effectively reduced, especially in the application occasions where the distance between the object and the image is unequal. The best application is to place the object at infinity (that is, as parallel light incidence) and image it at the focal plane.
At this point, the object-image co-ordination ratio (that is, object distance/image distance) is infinite. The convex surface of the lens should be placed in the object direction.
Various specifications of KPT plano-convex lens are available from stock, and the data of a full range of products can be provided.
This series of lenses can obtain a surface reflectivity as low as 2.5% in the range of 400-700nm by plating a single layer of MgF2 antireflection film. The single-layer MgF2 antireflection film of this series of products has no requirement for damage threshold.
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