SILICON (Si) MENISCUS LENS

Design Wavelength             : 4.3 microns
Effective Focal Length          :+ 2%
Clear Aperture                    :90 % diameter
Edge thickness Variation      :0.025mm
Diameter Tolerance             :+0, -0.1mm
Bevel                                 :0.25 mm @ 45 degree
Surface Irregularity              :1/10 Lambda @ 4.3 microns
Surface Quality                   :20/10
Coating                              :R= 0.5% per Surface

Diameter(mm)

F#

Effective Focal Length (mm)

Back Focal Length (mm)

Part Number

Prices

Uncoated

Coated

12.70

1

12.70

11.38

12143-S

$200

 

 

 

2

25.40

24.41

12243-S

180

 

3

38.10

37.12

12343-S

180

 

4

50.80

49.82

12443-S

180

 

5

63.50

62.52

12543-S

180

 

6

76.20

75.22

12643-S

180

 

8

101.60

100.62

12843-S

180

O

10

127.00

126.02

121043-S

180

N

 

 

 

 

 

 

19.05

1

19.05

17.29

19143-S

$246

R

 

2

38.10

36.63

19243-S

200

E

3

57.15

55.70

19343-S

200

Q

4

76.20

74.73

19443-S

200

U

5

95.25

93.78

19543-S

200

E

6

114.30

112.83

19643-S

200

S

8

152.40

150.93

19843-S

200

T

10

190.50

189.03

191043-S

200

 

 

 

 

 

 

 

25.40

1

25.40

23.44

25143-S

$330

 

 

1.5

38.10

36.72

251.543-S

275

 

2

50.80

48.81

25243-S

220

 

3

76.20

74.24

25343-S

210

 

4

101.60

99.59

25443-S

210

 

5

127.00

125.03

25543-S

210

 

6

152.40

150.41

25643-S

210

 

8

203.20

201.17

25843-S

210

O

10

254.00

252.03

251043-S

210

N

 

 

 

 

 

 

38.10

1

38.10

35.16

38143-S

$425

R

 

2

76.20

74.24

38243-S

375

E

3

114.30

112.36

38343-S

330

Q

4

152.40

150.41

38443-S

330

U

5

190.50

188.57

38543-S

330

E

6

228.60

226.69

38643-S

330

S

8

304.80

302.80

38843-S

330

T

10

381.00

379.09

381043-S

330

 

 

 

 

 

 

 

50.80

1

50.80

47.32

50143-S

$500

 

 

2

101.60

98.58

50243-S

425

O

3

152.40

150.01

50343-S

425

N

4

203.20

201.17

50443-S

425

 

5

254.00

252.03

50543-S

425

R

6

304.80

302.80

50643-S

425

E

8

406.40

404.37

50843-S

425

Q

 

 

 

 

 

U

76.20

1

76.20

70.33

76143-S

 

E

 

2

152.40

147.43

76243-S

 

S

3

228.60

224.79

76343-S

 

T

4

304.80

300.80

76443-S

 

 

5

381.00

377.18

76543-S

O

 

6

457.20

453.45

76643-S

N

 

8

609.60

605.32

76843-S

 

 

 

 

 

 

 

 

101.60

1

101.60

97.58

10143-S

R

 

 

2

203.60

197.09

10243-S

E

 

3

304.80

299.77

10343-S

Q

 

4

406.40

401.31

10443-S

U

 

5

508.00

503.05

10543-S

E

 

6

609.60

604.25

10643-S

S

 

8

812.80

807.71

10843-S

T

 

10

1016.00

1010.79

101043-S