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     Double Concave Lens
Home >> Lens >> Double Concave Lens 


DOUBLE CONCAVE LENS

Specifications

Material

BK7

Design Wavelength

546.1nm

Design Index

1.5183+/-0.0005

Diameter Tolerance

+0.0-0.15mm

Paraxial Focal Length Tolerance

+/-2%

Centration

3 arc minute

Clear Aperture

>85%

Surface Figure

/4@632.8nm

Surface Quality

60/40

Bevel

0.25mm*45

Coating 

Uncoated

Part No

(mm)

f (mm)

R1 (mm)

t c (mm)

t e (mm)

f b (mm)

DCV1201

12.7

-25

26.25

2

3.6

-25.7

DCV1202

12.7

-30

31.44

2

3.3

-30.7

DCV1203

12.7

-40

41.8

2

3

-40.7

DCV1204

12.7

-50

52.17

2

2.8

-50.7

DCV1301

25

-25

26.25

2

8.6

-25.7

DCV1302

25.4

-35

36.62

2

6.5

-35.7

DCV1303

25.4

-50

52.17

2

5.1

-50.7

DCV1305

25.4

-75

78.09

2

4.1

-75.7

DCV1306

25.4

-100

104

2

3.6

-100.7