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(Total 2 Products for K9 Glass Bi Xoncave)
k9 bi concave lens glass optical
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....
bk7 bi xoncave glass optical lens
Biconcave lens is also called negative spherical lens. The middle of the lens is thin and the edge is thick. It is concave, so it is also called concave lens m. Concave lens has a divergent effect on light. The imaging law of concave lens is: when the object is a real object, it becomes an upright and reduced virtual...
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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.