Application of spherical lenses .
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They are generally used to expand light or increase focal length in existing systems, such as beam expanders and projection systems. Positive Meniscus Lenses are designed to minimize spherical aberration and are generally used in small f/number applications
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Lenses are used in a large number of optical instruments. Some common applications are:
- Convex lens is used in a telescope.
- Convex lens is used in a camera.
- Convex lens is used in a slide projector.
- Our eyes lens is also a convex lens.
- Convex lens is used to cure hypermetropia.
- Concave lens is used to cure myopia.
- Convex lens is used in a magnifying glass.
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