|
Bi-concave Lenses
Select a material for a component
| BK7 Schott Glass or analogous (K8) |
| Parameters |
Usual grade |
High precise grade |
| Surface Quality, Scratch/Dig |
60/40 |
20/10 |
| Surface Accuracy,Power/Irreg. |
2/0.5 wave @ 633 nm |
0.5/0.2 wave @ 633 nm |
| TIR, mm |
0.05 |
0.01 |
| Tolerance for diameter, mm |
0.1 |
0.01 |
| Tolerance for thickness, mm |
0.1 |
0.01 |
| Focal Length tolerance, mm |
2% |
0.5% |
Top
|
|
CAT#
|
Diameter, mm
|
Diameter, in
|
Focal
Length, mm
|
Center Thickness, mm
|
Radius, mm
|
Edge Thickness, mm
|
|
LBC-BK7-10-12.7
|
10
|
0.394
|
-12.7
|
1.5
|
13.459
|
3.4
|
|
LBC-BK7-10-25.4
|
10
|
0.394
|
-25.4
|
1.5
|
26.61
|
2.4
|
|
LBC-BK7-10-38.1
|
10
|
0.394
|
-38.1
|
1.5
|
39.9
|
2.1
|
|
LBC-BK7-10-50.8
|
10
|
0.394
|
-50.8
|
1.5
|
52.84
|
2.0
|
|
LBC-BK7-10-63.5
|
10
|
0.394
|
-63.5
|
1.5
|
65.77
|
1.9
|
|
LBC-BK7-10-76.2
|
10
|
0.394
|
-76.2
|
1.5
|
79.8
|
1.8
|
|
LBC-BK7-10-100
|
10
|
0.394
|
-100
|
1.5
|
103.04
|
1.7
|
|
LBC-BK7-10-150
|
10
|
0.394
|
-150
|
1.5
|
155.24
|
1.7
|
|
LBC-BK7-12.7-12.7
|
12.7
|
0.5
|
-12.7
|
1.5
|
13.459
|
4.7
|
|
LBC-BK7-12.7-25.4
|
12.7
|
0.5
|
-25.4
|
1.5
|
26.61
|
3.0
|
|
LBC-BK7-12.7-38.1
|
12.7
|
0.5
|
-38.1
|
1.5
|
39.9
|
2.5
|
|
LBC-BK7-12.7-50.8
|
12.7
|
0.5
|
-50.8
|
1.5
|
52.84
|
2.3
|
|
LBC-BK7-12.7-63.5
|
12.7
|
0.5
|
-63.5
|
1.5
|
65.77
|
2.1
|
|
LBC-BK7-12.7-76.2
|
12.7
|
0.5
|
-76.2
|
1.5
|
79.8
|
2.0
|
|
LBC-BK7-12.7-100
|
12.7
|
0.5
|
-100
|
1.5
|
103.04
|
1.9
|
|
LBC-BK7-12.7-150
|
12.7
|
0.5
|
-150
|
1.5
|
155.24
|
1.8
|
|
LBC-BK7-12.7-200
|
12.7
|
0.5
|
-200
|
1.5
|
207.5
|
1.7
|
|
LBC-BK7-12.7-250
|
12.7
|
0.5
|
-250
|
1.5
|
255.9
|
1.7
|
|
LBC-BK7-25.4-25.4
|
25.4
|
1
|
-25.4
|
1.5
|
26.61
|
8.0
|
|
LBC-BK7-25.4-38.1
|
25.4
|
1
|
-38.1
|
1.5
|
39.9
|
5.7
|
|
LBC-BK7-25.4-50.8
|
25.4
|
1
|
-50.8
|
1.5
|
52.84
|
4.6
|
|
LBC-BK7-25.4-63.5
|
25.4
|
1
|
-63.5
|
1.5
|
65.77
|
4.0
|
|
LBC-BK7-25.4-76.2
|
25.4
|
1
|
-76.2
|
1.5
|
79.8
|
3.5
|
|
LBC-BK7-25.4-100
|
25.4
|
1
|
-100
|
1.5
|
103.04
|
3.1
|
|
LBC-BK7-25.4-150
|
25.4
|
1
|
-150
|
1.5
|
155.24
|
2.5
|
|
LBC-BK7-25.4-200
|
25.4
|
1
|
-200
|
1.5
|
207.5
|
2.3
|
|
LBC-BK7-25.4-250
|
25.4
|
1
|
-250
|
1.5
|
255.9
|
2.1
|
|
LBC-BK7-25.4-500
|
25.4
|
1
|
-500
|
1.5
|
521.2
|
1.8
|
|
CAT#
|
Diameter, mm
|
Diameter, in
|
Focal
Length, mm
|
Center Thickness, mm
|
Radius, mm
|
Edge Thickness, mm
|
|
LBC-BK7-38.1-38.1
|
38.1
|
1.5
|
-38.1
|
2
|
39.9
|
11.7
|
|
LBC-BK7-38.1-50.8
|
38.1
|
1.5
|
-50.8
|
2
|
52.84
|
9.1
|
|
LBC-BK7-38.1-63.5
|
38.1
|
1.5
|
-63.5
|
2
|
65.77
|
7.6
|
|
LBC-BK7-38.1-76.2
|
38.1
|
1.5
|
-76.2
|
2
|
79.8
|
6.6
|
|
LBC-BK7-38.1-100
|
38.1
|
1.5
|
-100
|
2
|
103.04
|
5.6
|
|
LBC-BK7-38.1-150
|
38.1
|
1.5
|
-150
|
2
|
155.24
|
4.3
|
|
LBC-BK7-38.1-200
|
38.1
|
1.5
|
-200
|
2
|
207.5
|
3.8
|
|
LBC-BK7-38.1-250
|
38.1
|
1.5
|
-250
|
2
|
255.9
|
3.4
|
|
LBC-BK7-38.1-500
|
38.1
|
1.5
|
-500
|
2
|
521.2
|
2.7
|
|
LBC-BK7-40-38.1
|
40
|
1.575
|
-38.1
|
2
|
39.9
|
12.8
|
|
LBC-BK7-40-50.8
|
40
|
1.575
|
-50.8
|
2
|
52.84
|
9.9
|
|
LBC-BK7-40-63.5
|
40
|
1.575
|
-63.5
|
2
|
65.77
|
8.2
|
|
LBC-BK7-40-76.2
|
40
|
1.575
|
-76.2
|
2
|
79.8
|
7.1
|
|
LBC-BK7-40-100
|
40
|
1.575
|
-100
|
2
|
103.04
|
5.9
|
|
LBC-BK7-40-150
|
40
|
1.575
|
-150
|
2
|
155.24
|
4.6
|
|
LBC-BK7-40-200
|
40
|
1.575
|
-200
|
2
|
207.5
|
3.9
|
|
LBC-BK7-40-250
|
40
|
1.575
|
-250
|
2
|
255.9
|
3.6
|
|
LBC-BK7-40-500
|
40
|
1.575
|
-500
|
2
|
521.2
|
2.8
|
|
LBC-BK7-50.8-50.8
|
50.8
|
2
|
-50.8
|
2.5
|
52.84
|
15.5
|
|
LBC-BK7-50.8-63.5
|
50.8
|
2
|
-63.5
|
2.5
|
65.77
|
12.7
|
|
LBC-BK7-50.8-76.2
|
50.8
|
2
|
-76.2
|
2.5
|
79.8
|
10.8
|
|
LBC-BK7-50.8-100
|
50.8
|
2
|
-100
|
2.5
|
103.04
|
8.9
|
|
LBC-BK7-50.8-150
|
50.8
|
2
|
-150
|
2.5
|
155.24
|
6.7
|
|
LBC-BK7-50.8-200
|
50.8
|
2
|
-200
|
2.5
|
207.5
|
5.6
|
|
LBC-BK7-50.8-250
|
50.8
|
2
|
-250
|
2.5
|
255.9
|
5.0
|
|
LBC-BK7-50.8-500
|
50.8
|
2
|
-500
|
2.5
|
521.2
|
3.7
|
|
CAT#
|
Diameter, mm
|
Diameter, in
|
Focal
Length, mm
|
Center Thickness, mm
|
Radius, mm
|
Edge Thickness, mm
|
|
| Calcium Fluoride (CaF2) |
| Parameters |
Usual grade |
High precise grade |
| Surface Quality, Scratch/Dig |
60/40 |
20/10 |
| Surface Accuracy,Power/Irreg. |
2/0.5 wave @ 633 nm |
0.5/0.2 wave @ 633 nm |
| TIR, mm |
0.05 |
0.02 |
| Tolerance for diameter, mm |
0.1 |
0.02 |
| Tolerance for thickness, mm |
0.1 |
0.02 |
| Focal Length tolerance, mm |
2% |
0.5% |
Top
|
|
CAT#
|
Diameter, mm
|
Diameter, in
|
Focal
Length, mm
|
Center Thickness, mm
|
Radius, mm
|
Edge Thickness, mm
|
|
LBC-CF-10-12.7
|
10
|
0.394
|
-12.7
|
1.5
|
10.351
|
4.1
|
|
LBC-CF-10-25.4
|
10
|
0.394
|
-25.4
|
1.5
|
20.28
|
2.8
|
|
LBC-CF-10-38.1
|
10
|
0.394
|
-38.1
|
1.5
|
30.34
|
2.3
|
|
LBC-CF-10-50.8
|
10
|
0.394
|
-50.8
|
1.5
|
40.74
|
2.1
|
|
LBC-CF-10-63.5
|
10
|
0.394
|
-63.5
|
1.5
|
50.82
|
2.0
|
|
LBC-CF-10-76.2
|
10
|
0.394
|
-76.2
|
1.5
|
61.66
|
1.9
|
|
LBC-CF-10-100
|
10
|
0.394
|
-100
|
1.5
|
79.8
|
1.8
|
|
LBC-CF-10-150
|
10
|
0.394
|
-150
|
1.5
|
119.4
|
1.7
|
|
LBC-CF-10-200
|
10
|
0.394
|
-200
|
1.5
|
159.22
|
1.7
|
|
LBC-CF-12.7-12.7
|
12.7
|
0.5
|
-12.7
|
1.5
|
10.351
|
5.9
|
|
LBC-CF-12.7-25.4
|
12.7
|
0.5
|
-25.4
|
1.5
|
20.28
|
3.5
|
|
LBC-CF-12.7-38.1
|
12.7
|
0.5
|
-38.1
|
1.5
|
30.34
|
2.8
|
|
LBC-CF-12.7-50.8
|
12.7
|
0.5
|
-50.8
|
1.5
|
40.74
|
2.5
|
|
LBC-CF-12.7-63.5
|
12.7
|
0.5
|
-63.5
|
1.5
|
50.82
|
2.3
|
|
LBC-CF-12.7-76.2
|
12.7
|
0.5
|
-76.2
|
1.5
|
61.66
|
2.2
|
|
LBC-CF-12.7-100
|
12.7
|
0.5
|
-100
|
1.5
|
79.8
|
2.0
|
|
LBC-CF-12.7-150
|
12.7
|
0.5
|
-150
|
1.5
|
119.4
|
1.8
|
|
LBC-CF-12.7-200
|
12.7
|
0.5
|
-200
|
1.5
|
159.22
|
1.8
|
|
LBC-CF-12.7-250
|
12.7
|
0.5
|
-250
|
1.5
|
199.99
|
1.7
|
|
LBC-CF-25.4-25.4
|
25.4
|
1
|
-25.4
|
2
|
20.28
|
10.9
|
|
LBC-CF-25.4-38.1
|
25.4
|
1
|
-38.1
|
2
|
30.34
|
7.6
|
|
LBC-CF-25.4-50.8
|
25.4
|
1
|
-50.8
|
2
|
40.74
|
6.1
|
|
LBC-CF-25.4-63.5
|
25.4
|
1
|
-63.5
|
2
|
50.82
|
5.2
|
|
LBC-CF-25.4-76.2
|
25.4
|
1
|
-76.2
|
2
|
61.66
|
4.6
|
|
LBC-CF-25.4-100
|
25.4
|
1
|
-100
|
2
|
79.8
|
4.0
|
|
LBC-CF-25.4-150
|
25.4
|
1
|
-150
|
2
|
119.4
|
3.4
|
|
LBC-CF-25.4-200
|
25.4
|
1
|
-200
|
2
|
159.22
|
3.0
|
|
LBC-CF-25.4-250
|
25.4
|
1
|
-250
|
2
|
199.99
|
2.8
|
|
LBC-CF-25.4-500
|
25.4
|
1
|
-500
|
2
|
398.1
|
2.4
|
|
CAT#
|
Diameter, mm
|
Diameter, in
|
Focal
Length, mm
|
Center Thickness, mm
|
Radius, mm
|
Edge Thickness, mm
|
|
LBC-CF-38.1-50.8
|
38.1
|
1.5
|
-50.8
|
2.5
|
40.74
|
12.0
|
|
LBC-CF-38.1-63.5
|
38.1
|
1.5
|
-63.5
|
2.5
|
50.82
|
9.9
|
|
LBC-CF-38.1-76.2
|
38.1
|
1.5
|
-76.2
|
2.5
|
61.66
|
8.5
|
|
LBC-CF-38.1-100
|
38.1
|
1.5
|
-100
|
2.5
|
79.8
|
7.1
|
|
LBC-CF-38.1-150
|
38.1
|
1.5
|
-150
|
2.5
|
119.4
|
5.6
|
|
LBC-CF-38.1-200
|
38.1
|
1.5
|
-200
|
2.5
|
159.22
|
4.8
|
|
LBC-CF-38.1-250
|
38.1
|
1.5
|
-250
|
2.5
|
199.99
|
4.3
|
|
LBC-CF-38.1-500
|
38.1
|
1.5
|
-500
|
2.5
|
398.1
|
3.4
|
|
LBC-CF-40-50.8
|
40
|
1.575
|
-50.8
|
2.5
|
40.74
|
13.0
|
|
LBC-CF-40-63.5
|
40
|
1.575
|
-63.5
|
2.5
|
50.82
|
10.7
|
|
LBC-CF-40-76.2
|
40
|
1.575
|
-76.2
|
2.5
|
61.66
|
9.2
|
|
LBC-CF-40-100
|
40
|
1.575
|
-100
|
2.5
|
79.8
|
7.6
|
|
LBC-CF-40-150
|
40
|
1.575
|
-150
|
2.5
|
119.4
|
5.9
|
|
LBC-CF-40-200
|
40
|
1.575
|
-200
|
2.5
|
159.22
|
5.0
|
|
LBC-CF-40-250
|
40
|
1.575
|
-250
|
2.5
|
199.99
|
4.5
|
|
LBC-CF-40-500
|
40
|
1.575
|
-500
|
2.5
|
398.1
|
3.5
|
|
LBC-CF-50.8-76.2
|
50.8
|
2
|
-76.2
|
3
|
61.66
|
14.0
|
|
LBC-CF-50.8-100
|
50.8
|
2
|
-100
|
3
|
79.8
|
11.3
|
|
LBC-CF-50.8-150
|
50.8
|
2
|
-150
|
3
|
119.4
|
8.5
|
|
LBC-CF-50.8-200
|
50.8
|
2
|
-200
|
3
|
159.22
|
7.1
|
|
LBC-CF-50.8-250
|
50.8
|
2
|
-250
|
3
|
199.99
|
6.2
|
|
LBC-CF-50.8-500
|
50.8
|
2
|
-500
|
3
|
398.1
|
4.6
|
|
CAT#
|
Diameter, mm
|
Diameter, in
|
Focal
Length, mm
|
Center Thickness, mm
|
Radius, mm
|
Edge Thickness, mm
|
|
Select a material for a component
|
