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(Total 3 Products for Concave Lens Diagram)
Function of concave lens optical
With two concave surfaces, biconcave lenses have negative focal length, causing collimated incident light to diverge, and they are ideal for expanding the focal length of an optical system. Bena’s biconcave lenses are offered with various materials, including UV Fused silica, ZnSe, Silicon, Ge, CaF2, MgF2, N-SF10,...
When used in light sparse medium, it can diverge the incident beam, so it is also called divergent lens. It is also called negative lens because its focal length is negative. For thin concave lens, the imaging formula, transverse magnification formula and sign rule are the same as those for convex lens. The image...
We can provide Fused Silica Plano-Concave Cylindrical Lenses, N-BK7 Plano-Concave Cylindrical Lenses and Cylindrical Lense made from other optical glass. Plano-Convex Cylindrical Lenses is a common cylindrical lenses, it available with positive focal lengths, ideal for laser line, uni-axial magnification,...
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