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Double-Convex lenses are suitable for applications in which the conjugates
are on the opposite side of the lenses and the ratio of the distance is less
than 5:1, e.g. simple image relay components.
BK7 Double-Convex Lenses
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Main Specifications
|
|
|
Material |
BK7 grade A optical glass |
|
Design Wavelength |
546.1nm |
|
Design Index |
1.5183 � 0.00005 |
|
Diameter Tolerance |
-0.0, -0.15mm |
| Paraxial
Focal Length |
� 2% |
| Centration |
< 3 arc
minutes |
| Clear
Aperture |
>85% |
| Surface
Figure |
l/4@632.8nm |
| Surface Quality |
60-40 scratch and dig |
| Bevel |
0.25 mm x 45� |
|
Fused Silica
Double-Convex Lenses
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Main Specifications
|
|
|
Material |
UV graded Fused Silica |
|
Design Wavelength |
546.1nm |
|
Design Index |
1.46008 � 0.00005 |
|
Diameter Tolerance |
-0.0, -0.15mm |
| Paraxial
Focal Length |
� 2% |
| Centration |
<3 arc
minutes |
| Clear
Aperture |
>85% |
| Surface
Figure |
l/4@632.8nm |
| Surface Quality |
60-40 scratch and dig |
| Bevel |
0.25 mm x 45� |
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Standard Product Information
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Part
No. |
f
(mm) |
f (mm) |
R1 (mm) |
tc(mm) |
te(mm) |
fb(mm) |
|
DCX-1201 |
20.0 |
12.7 |
20.01 |
4.0 |
2.0 |
18.6 |
|
DCX-1202 |
25.0 |
12.7 |
25.28 |
3.6 |
2.0 |
23.8 |
|
DCX-1203 |
30.0 |
12.7 |
30.52 |
3.3 |
2.0 |
28.9 |
|
DCX-1204 |
40.0 |
12.7 |
40.95 |
3.0 |
2.0 |
39.0 |
|
DCX-1301 |
25.4 |
25.4 |
24.712 |
9.0 |
2.0 |
22.2 |
|
DCX-1302 |
50.0 |
25.4 |
50.92 |
5.2 |
2.0 |
48.3 |
|
DCX-1303 |
75.0 |
25.4 |
77.04 |
4.1 |
2.0 |
73.6 |
|
DCX-1304 |
100.0 |
25.4 |
103.05 |
3.6 |
2.0 |
98.8 |
Note:
special material and size are available
upon request.
Ordering
Information:
Part No, - Coating
Wavelength
For Example, DCX-1201 - 808 nm
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