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Products > making > Albrighter Technology CO.,Ltd. | Similar Products
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BK7 Double Concave Lens

BK7 Double Concave Lens
Double concave lens is similar with plano concave lens. The focus length is negative. It can make parallel light diverge outside. The two sides have same radius of curvature. Double convex lens ...

Penda Prisms

Penda Prisms
Penta prism is a prism which makes the incident light accurately realize 90 degree reflection. Aluminum is coated on two reflective surfaces to improve reflectivity. It has two functions: 1. No ...
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