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(Total 2 Products for Bioconcave)
50.8mm 2" bioconcave optical lens glass lens
A biconcave lens will radiate light with a negative focal length, which is composed of two concave surfaces with equal curvature. It is often used for beam expansion, projection and focal length expansion of the lens. Hengpu optics provides double concave lenses without coating and with antireflection coating....
The image formed by biconcave lens is always smaller than the vertical virtual image of the object. Biconcave lens is mainly used to correct myopia. Myopia is mainly due to the deformation of the lens, resulting in the premature collection of light in front of the retina. The biconcave lens plays the role of divergent...
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Privacy statement: Your privacy is very important to Us. Our company promises not to disclose your personal information to any external company with out your explicit permission.