 |
Optics
|
|
|
|
|
Bi-Convex
lenses
Bi-convex is a convergent lens with two outward curved surfaces.
It’s most suitable where the object and image are on opposite sides
of the lens and the conjugate ratio is between 0.2-5.
|
BK7/UV Fused silica Bi-Convex Lenses
|
 |
 |
|
|
Specifications |
|
|
|
Material |
BK7 |
UV Fused silica |
|
Diameter tolerance |
±0.1mm |
±0.1mm |
|
Design wavelength |
546.1nm,
n=1..5187 |
546.1nm,
n=1.46008 |
|
Focal tolerance |
±2% |
±2% |
|
Centration |
3
arcmin |
3
arcmin |
|
Surface quality |
60-40 S/D |
60-40 S/D |
|
Surface flatness |
l/4@632.8nm |
l/4@632.8nm |
|
Clear aperture |
>90% |
>90% |
|
Bevel |
Protective bevel |
Protective bevel |
|
Item# |
Material |
f(mm) |
F(mm) |
R(mm) |
Tc(mm) |
Te(mm) |
Fb(mm) |
|
LB01-12-25 |
BK7 |
12.7 |
25.0 |
25.35 |
3.62 |
2.0 |
23.82 |
|
LB01-12-30 |
BK7 |
12.7 |
30.0 |
30.55 |
3.33 |
2.0 |
28.89 |
|
LB01-12-40 |
BK7 |
12.7 |
40.0 |
41.02 |
2.99 |
2.0 |
39.04 |
|
LB01-12-50 |
BK7 |
12.7 |
50.0 |
51.40 |
2.79 |
2.0 |
49.08 |
|
LB01-12-75 |
BK7 |
12.7 |
75.0 |
77.45 |
2.52 |
2.0 |
74.24 |
|
LB01-12-100 |
BK7 |
12.7 |
100.0 |
103.28 |
2.39 |
2.0 |
99.16 |
|
LB01-25-35 |
BK7 |
25.4 |
35.0 |
35.08 |
6.76 |
2.0 |
32.66 |
|
LB01-25-50 |
BK7 |
25.4 |
50.0 |
50.93 |
5.22 |
2.0 |
48.22 |
|
LB01-25-75 |
BK7 |
25.4 |
75.0 |
77.09 |
4.11 |
2.0 |
73.63 |
|
LB01-25-100 |
BK7 |
25.4 |
100.0 |
103.04 |
3.57 |
2.0 |
98.73 |
|
LB01-25-200 |
BK7 |
25.4 |
200.0 |
207.00 |
2.78 |
2.0 |
199.07 |
|
LB01-25-250 |
BK7 |
25.4 |
250.0 |
258.90 |
2.62 |
2.0 |
249.17 |
|
LB01-25-500 |
BK7 |
25.4 |
500.0 |
518.30 |
2.31 |
2.0 |
499.21 |
|
LB01-38-100 |
BK7 |
38.0 |
100.0 |
102.57 |
6.55 |
3.0 |
97.78 |
|
LB02-12-25 |
Fused silica |
12.7 |
25.0 |
22.39 |
3.84 |
2.0 |
23.66 |
|
LB02-12-30 |
Fused silica |
12.7 |
30.0 |
27.04 |
3.51 |
2.0 |
28.77 |
|
LB02-12-40 |
Fused silica |
12.7 |
40.0 |
36.31 |
3.12 |
2.0 |
38.92 |
|
LB02-12-50 |
Fused silica |
12.7 |
50.0 |
45.62 |
2.9 |
2.0 |
49.06 |
|
LB02-12-75 |
Fused silica |
12.7 |
75.0 |
68.7 |
2.6 |
2.0 |
74.21 |
|
LB02-12-100 |
Fused silica |
12.7 |
100.0 |
91.6 |
2.5 |
2.0 |
99.11 |
|
LB02-25-50 |
Fused silica |
25.4 |
50.0 |
45.08 |
5.65 |
2.0 |
48.01 |
|
LB02-25-75 |
Fused silica |
| |
Chinese 
