Brand: Bena
Packaging: Carton
Productivity: 80000000pcs/year
Transportation: Air, DHL
Place of Origin: Changchun
Supply Ability: 80000000pcs/year
Certificate: ISO9001
HS Code: 90019090
Port: Dalian,Changchun,Beijing
Payment Type: T/T
Incoterm: FOB,CFR,CIF,EXW,FCA
Lens is a kind of refractive optical element made of different optical materials. Its refractive surface is two spheres or one sphere. According to its shape, it can be divided into convex lens (positive lens) and concave lens (negative lens). The lens whose central part is thicker than the edge is called convex lens. According to their cross-sectional shape, there are biconvex lens, flat convex lens and concave convex lens. The lens whose central part is thinner than the edge is called concave lens. According to its different cross-sectional shape, it can be divided into double concave lens, flat concave lens and convex concave lens.
Product advantages
It integrates material growth, component processing, coating and devices
Self produced materials: calcium fluoride CaF2, barium fluoride BaF2, magnesium fluoride MgF2, lithium fluoride LIF, silicon Si, germanium Ge materials are grown by themselves.
Self processing: blank forming, fine grinding, polishing and coating are completed in the factory.
Reliable quality: mature process and perfect inspection process.
Controllable delivery time: one-stop processing, quality control supervision and delivery guarantee.
Product Categories : Optical Lenses > Biconcave Lenses
Founded in 2014, Bena was co-founded by several experienced engineers who have more than 10 years of optical design, process, production and test. We provide customization service for high precision (rms = 1/100λ, λ=632.8nm), large diameter plane mirror (>500mm) and aspherical lens, as well as professional spherical lens (such as optical domes with diameter 280mm), involving different materials including K9, Silicon, Sapphire, SiC, glass ceramics, fused silica, and other various optical glasses, and we can also deal with the nickel-phosphorus alloy surface on different substrates.
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