BK7 Plano-Concave/Double-Concave Lenses

Material: BK7 grade A optical glass
Design Wavelength: 546.lnm
Design Index: 1.5183¡À0.0005
Diameter Tolerance: +0.0, -0.15mm
Paraxial Focal Length: 1%
Centration:  3 arc minutes
Clear Aperture:> 80%
Surface Figure :¦Ë/4@632.8 nm
Surface Quality: 60-40 scratch and dig
Bevel:  0.25mmX45¡ã

BK7 Plano-Concave Lenses

Part No.

¦µ (mm)

f(mm)

R1(mm)

tc(mm)

te(mm)

fb(mm)

Price

PCV2101

5

-10

5.187

2

2.5

-11.3

$7

PCV2102

6

-18

9.33

2

2.5

-19.3

$6

PCV2103

8

-15

7.77

2

3

-16.3

$6

PCV2104

10

-20

10.37

2

3.2

-21.3

$6

PCV2105

12.7

-15

7.78

2

5.3

-16.3

$7

PCV2106

12.7

-20

10.37

2

4.1

-21.3

$6

PCV2107

12.7

-25

12.96

2

3.7

-26.3

$6

PCV2108

12.7

-30

15.55

2

3.4

-31.3

$6

PCV2109

12.7

-40

20.73

2

3

-41.3

$6

PCV2110

12.7

-50

25.92

2

2.8

-51.3

$6

PCV2111

12.7

-75

38.87

2

2.5

-76.3

$6

PCV2112

12.7

-100

51.83

2

2.3

-101.3

$6

PCV2113

15

-75

38.87

2

2.7

-76.3

$6

PCV2114

17.5

-23

13.6

2

4.6

-24.3

$6

PCV2115

21

-40

20.73

2

4.7

-41.3

$6

PCV2116

22.4

-50

25.936

2

4.4

-51.3

$6

PCV2117

22.4

-100

51.83

2

3.2

-101.3

$6

PCV2118

25

-25

12.968

2

10.9

-26.3

$9

PCV2119

25.4

-35

18.14

2

7.2

-36.3

$7

PCV2120

25.4

-38.1

19.763

2

6.5

-39.4

$6

PCV2121

25.4

-50

25.92

2

5.3

-51.3

$6

PCV2122

25.4

-70

36.28

2

4.3

-71.3

$6

PCV2123

25.4

-75

38.87

2

4.1

-76.3

$6

PCV2124

25.4

-100

51.83

2

3.6

-101.3

$6

PCV2125

25.4

-125

64.79

2

3.3

-126.3

$6

PCV2126

25.4

-150

77.75

2

3

-151.3

$6

PCV2127

25.4

-175

90.7

2

2.8

-176.3

$6

PCV2128

25.4

-200

103.66

2

2.7

-201.3

$6

PCV2129

25.4

-250

129.58

2

2.6

-251.3

$6

PCV2130

25.4

-300

155.49

2

2.5

-301.3

$6

PCV2131

25.4

-500

259.15

2

2.3

-501.3

$6

PCV2132

25.4

-1000

518.3

2

2.2

-1001.3

$6

PCV2133

30

-80

41.46

2

4.8

-81.3

$8

PCV2134

30

-100

51.872

2

4.2

-101.3

$8

PCV2135

30

-200

103.744

2

3.1

201.3

$8

PCV2136

38

-50

25.92

3

11.3

-52

$11

PCV2137

38

-100

51.83

3

6.6

-102

$9

PCV2138

38

-150

77.75

3

5.5

-152

$9

PCV2139

38

-200

103.66

3

4.8

-202

$9

PCV2140

38

-350

181.41

3

4

-352

$9

PCV2141

38

-500

259.15

3

3.7

-502

$9

PCV2142

38

-700

362.81

3

3.5

-702

$9

PCV2143

40

-50

25.92

2

11.2

-51.3

$9

PCV2144

50

-75

38.904

2

11.8

-77

$13

PCV2145

50

-100

51.83

3

9.4

-102

$12

PCV2146

50

-150

77.75

3

7.1

-152

$14

PCV2147

50

-200

103.66

3

6.1

-202

$13

PCV2148

50

-250

129.58

3

5.4

-252

$13

PCV2149

50

-400

207.32

3

4.5

-402

$13

PCV2150

50

-450

233.24

3

4.3

-452

$13

PCV2151

50

-500

259.15

3

4.2

-502

$13

PCV2152

50

-600

310.98

3

4

-602

$13

PCV2153

50

-800

414.64

3

3.8

-802

$13

 

 

 

 

 

 

 

 

BK7 Double-Concave Lenses

 

 

Part No.

Dia(mm)

f(mm)

R1=R2(mm)

tc(mm)

te(mm)

fb(mm)

Price

DCV4101

10

-10

10.7

2

4.5

-10.6

$6

DCV4102

12.7

-15

15.88

2

4.6

-15.6

$6

DCV4103

12.7

-20

21.07

2

4

-20.6

$6

DCV4104

12.7

-25

26.25

2

3.6

-25.7

$6

DCV4105

12.7

-30

31.44

2

3.3

-30.7

$6

DCV4106

12.7

-40

41.8

2

3

-40.7

$6

DCV4107

12.7

-50

52.17

2

2.8

-50.7

$6

DCV4108

19.8

-20

21.07

2

7

-20.72

$6

DCV4109

25.4

-35

36.62

2

6.5

-35.7

$7

DCV4110

25.4

-50

52.17

2

5.1

-50.7

$6

DCV4111

25.4

-75

78.09

2

4.1

-75.7

$6

DCV4112

25.4

-100

104

2

3.6

-100.7

$6

DCV4113

25.4

-125

129.92

2

3.2

-125.7

$6

DCV4114

25.4

-150

155.83

2

3

-150.7

$6

DCV4115

25.4

-175

181.75

2

2.9

-175.7

$6

DCV4116

25.4

-200

207.66

2

2.8

-200.7

$6

DCV4117

25.4

-250

259.49

2

2.6

-250.7

$6

DCV4118

25.4

-300

311.32

2

2.5

-300.7

$6

DCV4119

25.4

-500

518.64

2

2.3

-500.7

$6

DCV4120

25.4

-1000

1036.94

2

2.2

-1000.7

$6

DCV4121

38

-50

52.34

3

10.1

-51

$11

DCV4122

38

-100

104.17

3

6.5

-101

$9

DCV4123

38

-150

156

3

5.3

-151

$9

DCV4124

38

-200

207.83

3

4.7

-201

$9

DCV4125

38

-350

363.32

3

4

-351

$9

DCV4126

38

-500

518.81

3

3.7

-501

$9

DCV4127

38

-700

726.13

3

3.5

-701

$9

DCV4128

50

-100

104.17

3

9.1

-101

$13

DCV4129

50

-150

156

3

7

-151

$13

DCV4130

50

-200

207.83

3

6

-201

$13

DCV4131

50

-250

259.66

3

5.4

-251

$13

DCV4132

50

-400

415.15

3

4.5

-401

$13

DCV4133

50

-450

466.91

3

4.3

-451

$13

DCV4134

50

-500

518.82

3

4.2

-501

$13

DCV4135

50

-600

622.47

3

4

-601

$13

DCV4136

50

-800

829.73

3

3.8

-801

$13

Please note: Other sizes and coatings are available upon request.

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