BK7 双凸透镜

材料: BK7 精退火
焦距 (f'): ±2%
直径 (F):- 0.20mm
中心厚度 (Tc): ±0.1mm     
中心偏差: 3'
光圈: 1~5
局部光圈: 0.2~0.5
光洁度: IV级
镀膜: MgF₂增透膜
通光孔径: 90%

Catalog No.

Ø

f'

fb

Tc

Te

DH-040201

6.0

19.0

18.1

3.0

2.5

DH-040215

10.0

15.0

13.7

4.2

2.5

DH-040216

10.0

30.0

28.7

3.9

3.0

DH-040202

12.7

25.4

23.7

5.0

3.4

DH-040203

12.7

38.1

36.7

4.0

3.0

DH-040217

20.0

30.0

28.0

5.9

2.5

DH-040218

20.0

40.0

37.9

5.0

2.5

DH-040219

20.0

60.0

59.0

4.7

3.0

DH-040220

20.0

75.0

73.7

4.4

3.0

DH-040204

25.4

50.8

49.1

6.0

2.8

DH-040205

25.4

100.0

98.5

5.0

3.4

DH-040206

25.4

150.0

148.6

5.0

4.0

DH-040207

25.4

175.0

172.7

5.0

4.1

DH-040221

30.0

60.0

57.6

7.0

3.3

DH-040222

30.0

120.0

118.7

5.0

3.2

DH-040223

30.0

180.0

178.5

5.0

3.8

DH-040224

30.0

250.0

248.0

5.0

4.1

DH-040225

30.0

300.0

298.1

5.0

4.3

DH-040208

38.1