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Double Convex Lens
BK7 Double-Convex Lens 
 
Material BK7
Dimension Tolerance +0/-0.2mm
Thickness Tolerance ±0.2mm
Design Wavelength 546.1nm
Surface Quality 60/40,40/20
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=R2
(mm)

Tc(mm)

Te(mm)

fb(mm)

BDV01

25.4

25.4

24.71

9.0

2.0

22.2

BDV02

35.4

25.4

35.09

6.8

2.0

32.7

BDV03

50.0

25.4

50.92

5.2

2.0

48.3

BDV04

75.0

25.4

77.04

4.1

2.0

73.6

BDV05

100.0

25.4

103.05

3.6

2.0

98.8

BDV06

125.0

25.4

129.02

3.3

2.0

123.9

BDV07

150.0

25.4

154.97

3.0

2.0

149.0

BDV08

200.0

25.4

206.84

2.8

2.0

199.0

BDV09

250.0

25.4

258.70

2.6

2.0

249.1

BDV10

300.0

25.4

310.55

2.5

2.0

299.2

BDV11

500.0

25.4

517.91

2.3

2.0

499.2

BDV12

1000.0

25.4

1036.23

2.2

2.0

999.3

 

Fused Silica Double-Convex Lens 
 
 
Material UV grade fused silica
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=R2
(mm)

Tc(mm)

Te(mm)

fb(mm)

FDV01

25.4

25.4

21.22

10.4

2.0

21.2

FDV02

35.0

25.4

30.99

7.4

2.0

32.4

FDV03

50.0

25.4

45.10

5.7

2.0

48.0

FDV04

75.0

25.4

68.32

4.4

2.0

73.5

FDV05

100.0

25.4

91.42

3.8

2.0

98.7

FDV06

125.0

25.4

114.50

3.4

2.0

123.8

FDV07

150.0

25.4

137.52

3.2

2.0

148.9

FDV08

200.0

25.4

183.58

2.9

2.0

199.0

FDV09

250.0

25.4

229.61

2.7

2.0

249.1

FDV10

300.0

25.4

275.64

2.6

2.0

299.1

FDV11

500.0

25.4

459.71

2.4

2.0

499.2

FDV12

1000.0

25.4

919.82

2.2

2.0

999.2

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