HOME > PRODUCTS > Precision Optics > Lenses > Plano-Convex Lenses > BK7 >
BK7

Specifications:

Material: BK7 grade A optical glass
Design Wavelength: 546.1nm
Design Index: 1.5183 ±0.0005
Diameter Tolerance: +0.0, -0.15mm
Paraxial Focal Length: ±2%
Centration: 3 arc minutes
Clear Aperture: >80%
Surface Figure: l[email protected]
Surface Quality: 60-40 scratch and dig
Bevel: 0.25 mm x 45°
Part No.
f (mm)
f (mm)
R1 (mm)
tc (mm)
te (mm)
Fb (mm)
PX0101
6.0
4.0
3.101
1.50
0.77
5.0
PX0102
10
5.0
5.17
1.64
1.0
8.91
PX0103
8.0
6.0
4.15
3.3
2.0
5.8
PX0104
10.0
6.0
5.18
3.0
2.0
8.0
PX0105
12.0
6.0
6.22
2.8
2.0
10.2
PX0106
18.0
6.0
9.33
2.5
2.0
16.4
PX0107
10.0
8.0
5.18
3.1
2.0
8.0
PX0108
18.0
8.0
9.33
2.9
2.0
16.1
PX0109
13.0
7.5
6.743
2.0
0.86
11.7
PX0110
15.0
10.0
7.78
3.8
2.0
12.5
PX0111
22.0
10.0
11.40
3.1
1.9
20.0
PX0112
15.0
12.7
7.78
5.3
2.0
11.5
PX0113
20.0
12.7
10.37
4.2
2.0
17.2
PX0114
25.0
12.7
12.96
3.7
2.0
22.6
PX0115
30.0
12.7
15.55
3.4
2.0
27.8
PX0116
40.0
12.7
20.73
3.0
2.0
38.0
PX0117
50.0
12.7
25.92
2.8
2.0
48.2
PX0118
75.0
12.7
38.87
2.5
2.0
73.4
PX0119
100.0
12.7
51.83
2.4
2.0
98.4
PX0120
25.0
14.0
12.968
4.0
1.90
22.4
PX0121
34.0
17.0
17.637
4.20
2.00
31.2
PX0122
30.0
18.5
15.562
5.0
2.00
26.7
PX0123
40.0
20.0
20.73
4.5
1.9
37.0
PX0124
35.0
20.0
18.155
4.20
1.20
32.2
PX0125
50.0
20.0
25.936
4.00
2.00
47.4
PX0126
34.0
22.0
17.637
5.80
1.90
30.2
PX0127
40.0
22.4
20.73
5.3
2.0
36.5
PX0128
50.0
22.4
25.92
4.6
2.0
47.0
PX0129
60.0
22.4
31.10
4.1
2.0
57.3
PX0130
100.0
22.4
51.83
3.2
2.0
97.9
PX0131
75
22.4
38.905
3.50
1.85
72.7
PX0132
70
22.4
36.309
3.83
2.05
67.5
PX0133
700.0
25.0
363.105
2.20
2.00
689.6
PX0134
25.4
25.4
13.17
11.7
2.0
17.7
PX0135
35.0
25.4
18.14
7.2
2.0
30.3
PX0136
50.0
25.4
25.92
5.3
2.0
46.5
PX0137
60.0
25.4
31.10
4.7
2.0
56.9
PX0138
70.0
25.4
36.28
4.3
2.0
67.2
PX0139
75.0
25.4
38.87
4.1
2.0
72.3
PX0140
100.0
25.4
51.83
3.6
2.0
97.6
PX0141
125.0
25.4
64.79
3.3
2.0
122.8
PX0142
150.0
25.4
77.75
3.0
2.0
148.0
PX0143
152.4
25.4
78.99
3.0
2.0
150.4
PX0144
175.0
25.4
90.70
2.9
2.0
173.1
PX0145
200.0
25.4
103.66
2.8
2.0
198.2
PX0146
250.0
25.4
129.58
2.6
2.0
248.3
PX0147
300.0
25.4
155.49
2.5
2.0
298.4
PX0148
500.0
25.4
259.15
2.3
2.0
498.5
PX0149
1000.0
25.4
518.30
2.2
2.0
998.6
PX0150
50.8
25.4
26.351
5.20
1.90
47.4
PX0151
40
25.4
20.748
6.50
2.16
35.72
PX0152
80.0
30.0
41.46
4.8
2.0
76.8
PX0153
100.0
30.0
51.83
4.2
2.0
97.2
PX0154
120.0
30.0
62.25
3.8
2.0
117.5
PX0155
300.0
30.0
155.62
3.8
3.1
297.5
PX0156
35.0
30.0
18.155
9.90
2.00
28.5
PX0157
50.0
38.0
25.92
11.3
3.0
42.6
PX0158
75.0
38.0
38.87
8.0
3.0
69.7
PX0159
100.0
38.0
51.83
6.6
3.0
95.7
PX0160
150.0
38.0
77.75
5.3
3.0
146.5
PX0161
200.0
38.0
103.66
4.8
3.0
196.8
PX0162
350.0
38.0
181.41
4.0
3.0
347.4
PX0163
500.0
38.0
259.15
3.7
3.0
497.6
PX0164
700.0
38.0
362.81
3.5
3.0
697.7
PX0165
150.0
42.0
77.808
4.90
2.00
146.8
PX0166
100.0
50.0
51.83
9.4
3.0
93.8
PX0167
150.0
50.0
77.75
7.1
3.0
145.3
PX0168
200.0
50.0
103.66
6.1
3.0
196.0
PX0169
250.0
50.0
129.58
5.4
3.0
246.4
PX0170
300.0
50.0
155.49
5.0
3.0
296.7
PX0171
400.0
50.0
207.32
4.5
3.0
397.0
PX0172
450.0
50.0
233.24
4.3
3.0
447.2
PX0173
500.0
50.0
259.15
4.2
3.0
497.2
PX0174
600.0
50.0
310.98
4.0
3.0
597.4
PX0175
800.0
50.0
414.64
3.8
3.0
797.5
PX0176
1000.0
50.0
518.30
3.1
2.5
998.0
PX0177
88.9
50.8
46.114
10.60
3.00
81.9
PX0178
127.0
50.8
65.878
8.0
2.90
121.7
PX0179
120
50.8
62.244
8.30
2.88
114.5
PX0180
70.0
60.0
36.311
18.60
2.70
57.8
Please refer to the Material Chapter for more information about BK7 glass, UV grade fused silica, Sapphire and CaF2.
Please refer to the Glossary and Technology for more information about lenses.
Please refer to Coating Chapter for more infomation of coating.
Other sizes and coatings are available upon request.
lPlease refer to Ring Mount for Lenses

Home | COMPANY | PRODUCTS | TECHNOLOGY | CONTACT US
Copyright © 2002-2025 by Shanghai Dream Lasers Technology Co., Ltd.