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Achromatic Doublet Lenses  

   Achromatic lens is a closely spaced and often cemented, combination of positive and negative elements of different refractive index. These elements are chosen so that the chromatic aberration is cancelled at two distinct and well-separated wavelengths.

 

Positive Achromatic Lenses 
 

Application:
       Projection Optics Systems
       Imaging Optics Systems
       Laser Measurement Systems

 

Capability:

Attribute

Commercial

High Precision

Typical Material

Any optical materical are available upon request.

Typical Dimension Φ (mm)

2, 4, 6, 12.7, 25.4, 30, 38, 50.8, 80

Diameter Tolerance (mm)

+0.00 / -0.15

+0.00 / -0.02

Paraxial Focal Length

±2%

±0.5%

Centration (arc min)

< 3’

< 1’

Surface Irregularity

λ/4

λ/10

Surface Quality (Scratch / dig)

60-40

10-5

Bevel (face width × 45° mm)

0.2 - 0.5

0.05 - 0.2

Note: Other size and coatings are available upon request.

 

Part No.

f(mm)

Φ(mm)

R1(mm)

R2=R3(mm)

R4(mm)

TC1(mm)

TC2(mm)

fb(mm)

Lens A

Lens B

ACL0601

10

6.0

6.75

-4.04

-23.39

3.69

0.72

7.6

SSK4A

SF8

ACL0602

15

6.0

9.12

-5.86

-20.99

2.71

1.20

13.1

BK7

F2

ACL0603

20

6.0

12.02

-7.45

-28.97

2.92

1.30

18.1

BK7

F2

ACL0604

25

6.0

15.37

-11.16

-32.17

2.30

0.90

24.0

BK7

SF5

ACL0605

30

6.0

16.03

-13.09

-67.61

1.40

0.60

28.8

BK7

F2

ACL0801

25

8.0

16.53

-10.88

-39.80

2.63

2.50

22.6

SK11

SF5

ACL0802

30

8.0

20.43

-12.78

-75.97

3.07

1.43

27.6

SSK4A

SF8

ACL1001

20

10.0

13.09

-9.12

-34.28

5.56

1.80

16.5

BaK1

SF8

ACL1201

25

12.0

15.04

-12.48

-33.10

3.76

2.00

22.2

BaLKN3

SF15

ACL1270

25

12.7

16.41

-12.02

-40.74

3.76

2.00

22.2

BaK4

SF15

ACL1271

30

12.7

19.14

-14.03

-55.21

3.93

1.68

27.0

BaK1

SF8

ACL1272

40

12.7

21.28

-17.00

-89.95

3.00

0.80

37.8

BK7

F2

ACL1273

50

12.7

26.49

-21.28

-114.29

2.50

1.00

48.0

BK7

F2

ACL1274

60

12.7

36.31

-26.36

-77.40

3.50

1.50

57.0

BK7

SF5

ACL1275

75

12.7

39.99

-31.99

-167.90

2.40

1.00

73.0

BK7

F2

ACL1301

40.5

13.0

26.04

-18.02

-72.03

3.33

1.30

38.1

SK11

SF5

ACL1401

44

14.0

28.58

-19.69

-141.61

3.8

1.40

41.1

SSK4A

SF8

ACL1701

73

17.0

47.77

-33.04

-231.30

3.50

1.70

70.2

SSK4A

SF8

ACL1801

40

18.0

25.76

-19.01

-73.79

5.64

2.50

35.9

BaK1

SF8

ACL1802

50

18.0

32.36

-22.49

-89.13

4.46

1.50

47.1

SK11

SF5

ACL1803

60

18.0

37.84

-27.67

-117.22

4.04

1.96

56.9

BaK1

SF8

ACL1804

80

18.0

49.05

-37.15

-170.61

3.47

1.80

77.1

BaK1

SF8

ACL1901

56

19.0

35.99

-25.13

-100.53

4.44

1.50

52.9

SK11

SF5

ACL2501

65

25.0

39.38

-31.61

-85.90

6.0

2.0

61.0

BaLKN3

SF15

ACL2540

50

25.4

34.51

-21.98

-213.80

9.00

2.50

43.3

BaF10

SF10

ACL2541

60

25.4

37.67

-28.58

-72.78

10.00

2.81

53.5

BK6

SF10

ACL2542

80

25.4

42.46

-33.88

-183.65

5.80

2.60

75.1

BK7

F2

ACL2543

100

25.4

52.79

-42.46

-228.60

4.50

2.00

96.0

BK7

F2

ACL2544

120

25.4

74.13

-55.21

-250.60

4.13

2.00

116.8

BaK1

SF8

ACL2650

100

26.5

64.04

-44.88

-128.72

4.80

2.00

96.5

SK11

SF8

ACL3001

140

30.0

93.22

-59.14

-156.67

6.52

2.51

136.0

BK7

SF5

   
 

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