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spherial lens
Meniscus Lens
Meniscus Lens
 
One side of meniscus lens is convex, another side is concave. It can be a convergent lens or a divergent lens, which is decided together by refractive index, curvature and radius. It is widely used in Camera Systems,Imaging Systems, Optical View Finder,Laser Measurement Systems

Parameter

 

Diameter

2-150mm

Diameter Tolerance

+0/-0.1mm

Thickness Tolerance

+/-0.15mm

Focal Length Tolerance

+/-2%mm

Centration

<3

Bevel

0.2mm-0/+0.2mmX45°

Surface Quality

60/40

Surface flatness

lambda/4@633nm

Clear Aperture

>90%

Material

Optical crystal such as glass, quartz, calcium fluoride, germanium, silicon

Coating

Specified by Customers

编号(NO.)

材料(Material

焦距(EFL)

直径(Dia)

中心厚(Tc)

边厚(Te)

R1    

R2

镀膜(coating

数量(Quantity)

 

K9

 

12.70

 

220

75.00


5

H-ZF6

15.00

5.00

10.54

12.647


1

H-FK61

44.00

10.049

59.206

238.681


3

H-ZPK1

54.00

6.00

3.13

89.10

274.80

AR@650-900nm

4

K9

87.74

10.00

4.00

90

90

AR@650nm

20

K9

20.00

10.00

4.22


2

JGS3

10.00

3.30

9.461

42.5


5