China N-Bk7 Bi Cx Lens Silicon Ge CaF2

The Double Convex Lenses present an identical convex surface on both sides of the lens. They have a positive focal length and are useful for 1:1 imaging and in multielement systems.

Specifications:
Material:----------------------------------------------N-BK7, Fused Silica, N-SF10, Silicon, Ge,CaF2, etc.
Diameter Tolerance:----------------------------+0.0/-0.15mm
Focal Length Tolerance (mm):---------------+/-2%
Centration:-----------------------------------------<3 arc minutes
Clear Aperture:------------------------------------>85%
Surface Figure (per 25mm@632.8nm)----<1.5λ
IRR ( @632.8nm)--------------------------------<λ/4
Surface Quality:-----------------------------------60/40
Protected Bevel:----------------------------------<0.25mmx45deg
Coating:---------------------------------------------uncoated, AR, HR, PR Coating, etc.

N-BK7 Double Convex Lens
Design wavelength: 546.1nm Design Index:1.5183 ± 0.0005

Part No.

f (mm)

dia (mm)

R1=R2 (mm)

t c (mm)

t e (mm)

F b (mm)

Illustration

DCX1201

20.0

12.7

20.01

4.0

2.0

18.6

DCX1202

25.0

12.7

25.28

3.6

2.0

23.8

DCX1203

30.0

12.7

30.52

3.3

2.0

28.9

DCX1204

40.0

12.7

40.95

3.0

2.0

39.0

DCX1301

25.4

25.4

24.71

9.0

2.0

22.2

DCX1314

35.0

25.4

35.09

6.8

2.0

32.8

DCX1315

40.0

25.4

40.40

6.1

2.0

37.9

DCX1302

50.0

25.4

50.92

5.2

2.0

48.3

DCX1316

60.0

25.4

61.40

4.7

2.0

58.5

DCX1303

75.0

25.4

77.04

4.1

2.0

73.6

DCX1304

100.0

25.4

103.05

3.6

2.0

98.8

DCX1305

125.0

25.4

129.02

3.3

2.0

123.9

DCX1306

150.0

25.4

154.97

3.0

2.0

149.0

DCX1307

200.0

25.4

206.84

2.8

2.0

199.0

DCX1308

250.0

25.4

258.70

2.6

2.0

249.1

DCX1309

300.0

25.4

310.55

2.5

2.0

299.2

DCX1310

400.0

25.4

413.80

2.4

2.0

399.0

DCX1311

500.0

25.4

517.91

2.3

2.0

499.2

DCX1312

750.0

25.4

774.30

2.3

2.0

748.8

DCX1313

1000.0

25.4

1036.23

2.2

2.0

999.3

Fused silica Double Convex Lens
Design wavelength: 546.1nm Design Index:1.46008

Part No.

F (mm)

f(mm)

R1=R2(mm)

Tc

Te

Fb

Illustration

BCX2001

6.0

15.0

13.46

2.18

1.5

14.24

BCX2002

6.0

30.0

27.29

1.83

1.5

29.34

BCX2101

12.7

15.0

12.91

5.34

2.0

13.05

BCX2102

12.7

20.0

17.70

4.36

2.0

18.46

BCX2103

12.7

25.0

22.39

3.84

2.0

23.66

BCX2104

12.7

30.0

27.04

3.51

2.0

28.77

BCX2105

12.7

40.0

36.31

3.12

2.0

38.92

BCX2201

25.4

25.0

21.23

10.11

2.0

21.14

BCX2202

35.4

35.0

30.97

7.45

2.0

32.33

BCX2203

25.4

50.0

45.08

5.65

2.0

48.01

BCX2204

25.4

75.0

68.23

4.39

2.0

73.39

BCX2205

25.4

100.0

91.41

3.77

2.0

98.69

BCX2206

25.4

150.0

137.50

3.18

2.0

148.89

BCX2207

25.4

200.0

183.65

2.88

2.0

199.09

BCX2208

25.4

250.0

229.60

2.70

2.0

249.06

BCX2209

25.4

300.0

275.60

2.59

2.0

299.07

BCX2210

25.4

500.0

459.7

2.35

2.0

499.19

BCX2211

25.4

1000.0

919.8

2.18

2.0

999.24

BCX2401

38.0

50.0

44.06

11.61

3.0

45.81

BCX2402

38.0

100.0

90.99

7.01

3.0

97.67

BCX2403

38.0

150.0

137.09

5.65

3.0

148.01

BCX2404

38.0

200.0

183.23

4.98

3.0

198.27

BCX2405

38.0

350.0

321.40

4.12

3.0

348.58

BCX2406

38.0

500.0

459.50

3.79

3.0

498.72

BCX2407

38.0

750.0

689.50

3.52

3.0

748.73

BCX2408

38.0

1000.0

919.60

3.39

3.0

998.82