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The crescent lens is a concave convex lens. This lens has an outward convex mirror surface and an inward concave mirror surface. If the outward curvature is greater than the inward curvature, the lens has a positive focal length and is used as a magnifying glass.
A lens often refers to a type of optical element that diverges or converges a beam of light. Lenses can be widely used in security, automotive, digital cameras, lasers, optical instruments, etc., playing an important role in fields such as astronomy, military, transportation, and medicine. Guangtan Intelligent can provide or customize positive and negative lenses with different wavelengths, focal lengths, and apertures based on materials such as K9 and fused quartz (including plano convex, biconvex, crescent, plano concave, and biconvex) to meet various commercial and scientific purposes.
