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Meniscus Lens
 
BK7 Meniscus Lens
 
Material BK7
Dimension Tolerance +0/-0.2mm
Thickness Tolerance ±0.2mm
Design Wavelength 546.1nm
Surface Quality 60/40 scratch and dig
Flatness λ/4@632.8nm
Centration <3 arc minutes
Focal Length Tolerance ±2%
Clear Aperture >90%
Chamfer Protective <0.5mmx45deg
 

Part No.

f(mm)

ø(mm)

R1(mm)

R2(mm)

Tc(mm)

Te(mm)

fb(mm)

M01

50.0

25.4

20.58

90.00

6.0

2.5

45.0

M02

100.0

25.4

33.72

90.00

4.0

2.5

97.5

M03

150.0

25.4

42.52

90.00

4.0

3.0

146.3

M04

200.0

25.4

49.03

90.00

3.5

2.8

197.0

M05

500.0

25.4

123.90

235.00

3.5

3.2

495.4

M06

-50.0

25.4

90.00

19.90

3.0

6.7

-49.5

M07

-100.0

25.4

90.00

32.59

3.0

4.5

-99.2

M08

-150.0

25.4

90.00

41.42

3.0

4.0

-149.5

M09

-200.0

25.4

90.00

47.63

3.0

3.8

-197.8

M10

-500.0

25.4

235.00

122.70

3.0

3.3

-497.8

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