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DCV (Double Concave Lense)

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DCV (Double Concave Lense)

BK7 BCV Lense

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   minutes

Clear   Aperture:

>85%

Surface   Figure:

L/4@632.8nm

Surface   Quality:

60/40   scratch/dig

Bevel:

0.25   mm x 45 deg.

Coating:

Uncoated

BK7 Double Concave Lens

Part   No.

f (mm)

dia   (mm)

R1=R2   (mm)

t c   (mm)

t e   (mm)

t b   (mm)

Illustration

DCV1201

-25.0

12.7

26.25

2.0

3.6

-25.7


           

DCV1202

-30.0

12.7

31.44

2.0

3.3

-30.7

DCV1203

-40.0

12.7

41.80

2.0

3.0

-40.7

DCV1204

-50.0

12.7

52.17

2.0

2.8

-50.7

DCV1301

-25.0

25.0

26.25

2.0

8.6

-25.7

DCV1302

-35.0

25.4

36.62

2.0

6.5

-35.7

DCV1303

-50.0

25.4

52.17

2.0

5.1

-50.7

DCV1305

-75.0

25.4

78.09

2.0

4.1

-75.7

DCV1306

-100.0

25.4

104.00

2.0

3.6

-100.7

 


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