Plano-Concave Lenses

Plano-Concave Lenses have a negative focal length and is typically used to cause a collimated beam to diverge as in a Galilean type beam expander or Telescope.


●Product Origin: China
●Shipping Port: Fuzhou China
●Lead Time: 4 working weeks
●Payment: T/T Payment, Western Union

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Product introduction

Product description


平凹透镜1.jpg 图纸.jpg


1.What are plano-concave lenses used for?

Plano concave lenses, which have one concave surface, are optical lenses with negative focal lengths, they are ideal for 

beam expansion, light projection, or for expanding an optical system's focal length. JX-Optics offers PCV lenses with a 

variety of coating options, and they are ideal for use in a range of applications or industries.

2.What kinds of materials can JX-Optics use to make plano-concave lenses?

Optical Glasses（CDGM , SCHOTT, OHARA, HOYA) Fused Silica, Sapphire, calcium fluoride (CaF2),  and other 

infrared materials (Ge, Si, ZnSe)


Specification

Material：Optical glass, BK7, Fused Silica, CaF2,Germanium etc. 

Bevel：<0.25mm X 45°

Demand 

Standard

High Precision

Diameter Tolerance

+0/-0.1mm

+0/-0.05mm

Focal Tolerance

±0.1

±0.02

Surface Quality

60-40

20-10

Clear Aperture

>85%

>95%

 Surface Flatness 

N=5， △N=0.5

N=3  △N=0.3 

Centration

3 min

30 arcset

Coating:

Single layer MgF2;

Multiple layers BBAR coating.

Designed for 0° Angle of Incidence