Optical Lenses

N-BK7 Lenses

N-BK7 Lenses

Material:----------------------------------------------------------N-BK7
Design Wavelength:-----------------------------------------546.1nm
Design Index:--------------------------------------------------1.5183 ±0.0005
Diameter Tolerance:----------------------------------------- +0.0, -0.15mm
Paraxial Focal Length Tolerance:------------------------- ±2%
Centration: ----------------------------------------------------- 3 arc minutes
Clear Aperture: ------------------------------------------------ >85%
Surface Figure: Power(N)-------------------------------------<3
 Irregularity(N) --------------------------------------------------<0.5
Surface Quality: ---------------------------------------------- 60/40 scratch/dig
Bevel:------------------------------------------------------------ 0.25 mm x 45°
Coating:--------------------------------------------------------- Uncoated

N-BK7 Plano Convex Lens

Part No.
f (mm)
F (mm)
R1 (mm)
t c (mm)
t e (mm)
f b (mm)
PCX1101
6.0
4.0
3.101
1.5
0.77
5.0
PCX1102
10.0
5.0
5.17
1.64
1.64
1.0
PCX1103
8.0
6.0
4.15
3.3
2.0
5.8
PCX1104
10.0
6.0
5.18
3.0
2.0
8.0
PCX1201
15.0
12.7
7.78
5.3
2.0
11.5
PCX1202
20.0
12.7
10.37
4.2
2.0
17.2
PCX1203
25.0
12.7
12.96
3.7
2.0
22.6
PCX1204
30.0
12.7
15.55
3.4
2.0
27.8
PCX1205
40.0
12.7
20.73
3.0
2.0
38.0
PCX1206
50.0
12.7
25.92
2.8
2.0
48.2
PCX1207
35.0
20.0
18.155
4.2
1.2
32.2
PCX1208
40.0
20.0
20.73
4.5
1.9
37.0
PCX1209
50.0
20.0
25.936
4.0
2.0
47.4
PCX1303
50.0
25.4
25.92
5.3
2.0
46.5
PCX1309
60.4
25.4
13.1
4.7
2.0
56.9
PCX1304
75.0
25.4
38.87
4.1
2.0
72.3
PCX1305
100.0
25.4
51.83
3.6
2.0
97.6
PCX1306
125.0
25.4
64.79
3.3
2.0
122.8
PCX1307
150.0
25.4
77.75
3.0
2.0
148.0
PCX1308
200.0
25.4
103.66
2.8
2.0
198.2
PCX1310
250.0
25.4
129.575
2.63
2.0
248.3


 

N-BK7 Plano Concave Lens

Part No.

f (mm)

F (mm)

R1 (mm)

tc (mm)

te (mm)

fb (mm)

PCV1101

-8.0

6.0

4.15

2.0

3.3

-9.3

PCV1102
-10.0
6.0
5.18
2.0
2.9
-11.3
PCV1103
-12.0
6.0
6.22
2.0
2.8
-13.3

PCV1201

-15.0

12.7

7.78

2.0

5.3

-16.3

PCV1202

-20.0

12.7

10.37

2.0

4.1

-21.3

PCV1203

-25.0

12.7

12.96

2.0

3.7

-26.3

PCV1204

-30.0

12.7

15.55

2.0

3.4

-31.3

PCV1205

-40.0

12.7

20.73

2.0

3.0

-41.3

PCV1206

-50.0

12.7

25.92

2.0

2.8

-51.3

PCV1301

-25.0

25.4

12.97

2.0

10.9

-26.3

PCV1302

-35.0

25.4

18.14

2.0

7.2

-36.3

PCV1303

-50.0

25.4

25.92

2.0

5.3

-51.3

PCV1305

-75.0

25.4

38.87

2.0

4.1

-76.3

PCV1306

-100.0

25.4

51.83

2.0

3.6

-101.3

PCV1307

-150.0

25.4

77.75

2.0

3.0

-151.3

PCV1308

-200.0

25.4

103.66

2.0

2.7

-201.3


N-BK7 Double Convex Lens

Part No.
f (mm)
F (mm)
R1=R2 (mm)
t c (mm)
t e (mm)
f b (mm)
DCX1201
20.0
12.7
20.01
4.0
2.0
18.6
DCX1202
25.0
12.7
25.28
3.6
2.0
23.8
DCX1203
30.0
12.7
30.52
3.3
2.0
28.9
DCX1204
40.0
12.7
40.95
3.0
2.0
39.0
DCX1301
25.4
25.4
24.71
9.0
2.0
22.2
DCX1314
35.0
25.4
35.09
6.8
2.0
32.8
DCX1315
40.0
25.4
40.40
6.1
2.0
37.9
DCX1302
50.0
25.4
50.92
5.2
2.0
48.3
DCX1316
60.0
25.4
61.40
4.7
2.0
58.5
DCX1303
75.0
25.4
77.04
4.1
2.0
73.6
DCX1304
100.0
25.4
103.05
3.6
2.0
98.8
DCX1305
125.0
25.4
129.02
3.3
2.0
123.9
DCX1306
150.0
25.4
154.97
3.0
2.0
149.0
DCX1307
200.0
25.4
206.84
2.8
2.0
199.0
DCX1308
250.0
25.4
258.70
2.6
2.0
249.1
DCX1309
300.0
25.4
310.55
2.5
2.0
299.2
DCX1310
400.0
25.4
413.80
2.4
2.0
399.0
DCX1311
500.0
25.4
517.91
2.3
2.0
499.2
DCX1312
750.0
25.4
774.30
2.3
2.0
748.8
DCX1313
1000.0
25.4
1036.23
2.2
2.0
999.3

N-BK7 Double Concave Lens

Part No.
f (mm)
F (mm)
R1=R2 (mm)
t c (mm)
t e (mm)
f b (mm)
DCV1201
-25.0
12.7
26.25
2.0
3.6
-25.7
DCV1202
-30.0
12.7
31.44
2.0
3.3
-30.7
DCV1203
-40.0
12.7
41.80
2.0
3.0
-40.7
DCV1204
-50.0
12.7
52.17
2.0
2.8
-50.7
DCV1301
-25.0
25.0
26.25
2.0
8.6
-25.7
DCV1302
-35.0
25.4
36.62
2.0
6.5
-35.7
DCV1303
-50.0
25.4
52.17
2.0
5.1
-50.7
DCV1305
-75.0
25.4
78.09
2.0
4.1
-75.7
DCV1306
-100.0
25.4
104.00
2.0
3.6
-100.7

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