HomeProductsOptical LensesBiconcave LensesConcave lens field of view

Concave lens field of view

Payment Type:
T/T
Incoterm:
FOB,CFR,CIF,EXW,FCA
Min. Order:
10 Piece/Pieces
Transportation:
Air, DHL
Port:
Dalian,Changchun,Beijing
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  • Product Description
Overview
Product Attributes

BrandBena

Supply Ability & Additional Information

PackagingCarton

Productivity80000000pcs/year

TransportationAir, DHL

Place of OriginChangchun

Supply Ability80000000pcs/year

CertificateISO9001

HS Code90019090

PortDalian,Changchun,Beijing

Payment TypeT/T

IncotermFOB,CFR,CIF,EXW,FCA

Packaging & Delivery
Selling Units:
Piece/Pieces
Package Type:
Carton

Double-Concave (DCV) Lenses have two inward curved surfaces and a negative focal length. They are used for image reduction and to spread light.

Double concave lens is similar to flat concave lens. The focal length is negative, but the light incident in parallel diverges outward. The curvature radii of the two sides of double concave lens are equal. It is generally used for beam expansion and projection.


The principle of geometric drawing of biconcave lens imaging is the same as that of convex lens. The top of the object is also regarded as two straight lines: one is parallel to the main optical axis, deflects into divergent light after passing through the biconcave lens, and returns the refracted light to the main focus in the opposite direction; The other passes through the optical center point of the lens. The two straight lines intersect at one point, which is the image of the object.

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Product Categories : Optical Lenses > Biconcave Lenses

Company Overview

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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