BARIUM FLUORIDE (BaF2) BICONVEX LENS

Design Wavelength             :6.0 microns
Effective focal Length          :+ 2% at design wavelength
Clear Aperture                    :90% diameter
Edge thickness Variation      : 0.025 mm
Diameter Tolerance             :+0, -025 mm
Bevel                                 :0.25 mm
Surface Irregularity              :1 Lambda at sodium light
Surface Quality                   :40-20

Diameter(mm)

F#

Effective Focal Length (mm)

Back Focal Length (mm)

Part Number

Price

12.70

1

12.70

9.73

1216-BF

$275

 

2

25.40

23.72

1226-BF

200

3

38.10

36.81

1236-BF

162

4

50.80

48.62

1246-BF

162

5

63.50

62.50

1256-BF

162

6

76.20

75.27

1266-BF

162

8

101.60

100.76

1286-BF

162

10

127.00

126.17

12106-BF

162

12

152.40

151.56

12126-BF

162

20

254.00

253.15

12206-BF

162

 

 

 

 

 

19.05

1

19.05

14.34

1916-BF

$300

 

2

38.10

36.00

1926-BF

250

3

57.15

55.43

1936-BF

233

4

76.20

73.33

1946-BF

180

5

95.25

94.04

1956-BF

180

6

114.30

113.23

1966-BF

180

8

152.40

151.33

1986-BF

180

10

190.50

189.43

19106-BF

180

12

228.60

227.52

19126-BF

180

20

381.00

379.92

19206-BF

180

 

 

 

 

 

25.40

1

25.40

21.70

2516-BF

$325

 

1.5

38.40

35.02

251.5-BF

300

2

50.80

48.90

2526-BF

270

3

76.20

74.58

2536-BF

204

4

101.60

99.92

2546-BF

195

5

127.00

125.54

2556-BF

195

6

152.40

150.94

2566-BF

195

8

203.20

201.75

2586-BF

195

10

254.00

252.55

25106-BF

195

12

304.80

303.34

25126-BF

195

20

508.00

506.55

25206-BF

195

 

 

 

 

 

38.10

1

38.10

29.42

3816-BF

$555

 

2

76.20

72.12

3826-BF

450

3

114.30

111.37

3836-BF

345

4

152.40

149.96

3846-BF

275

5

190.50

188.41

3856-BF

275

6

228.60

226.67

3866-BF

275

8

304.80

303.23

3886-BF

275

10

381.00

379.50

38106-BF

275

12

457.20

455.77

38126-BF

275

20

762.00

760.59

38206-BF

275

 

 

 

 

 

50.80

1

50.80

45.21

5016-BF

$1030

 

2

101.60

97.79

5026-BF

820

3

152.40

149.50

5036-BF

675

4

203.20

200.84

5046-BF

600

5

254.00

251.22

5056-BF

600

6

304.80

302.95

5066-BF

500

8

406.40

404.78

5086-BF

500

10

508.00

506.51

50106-BF

500

12

609.60

608.12

50126-BF

500

20

1016.00

1014.65

50206-BF

500