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Half-Spherical Lens |
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A hemispherical lens is a convex lens that does not have a side called
an edge, unlike a normal lens. This lens has a positive focal length and
is used for image magnification and light collection applications.
It is used for the tip of high-magnification objective lenses, etc., because
it increases the efficiency of light incident on the lens surface from
the object.
The product shown is uncoated.
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ĦApplication |
Fiber optic communications
Objective lenses for microscopes
Endoscopes Optical pickup devices
Laser measurement
Lenses for endoscopes
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| ĦSpecifications |
| Material |
BK-7 |
| Reflactive Index |
1.51680/nd |
| Design Wavelength |
587.6nm |
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| ĦTolerance |
| Diameter |
+/-0.05mm |
| Center Thickness |
+/-0.2mm |
| Sphericity |
+/-0.05mm |
| Focal Length |
+/-2% |
| Decentering |
Within 3 minutes(3') |
| Surface Quality |
MIL60-40 |
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| P/N |
Dia. |
F.L. |
TC |
Material |
Price
(without tax) |
Price
(w/tax) |
Note |
| TS-0511O |
Dia.2 |
1.93 |
1.0 |
BK-7 |
4,000 |
4,400 |
- |
| TS-0512O |
Dia.3 |
2.90 |
1.5 |
BK-7 |
4,000 |
4,400 |
- |
| TS-0513O |
Dia.4 |
3.90 |
2.0 |
BK-7 |
4,000 |
4,400 |
- |
| TS-0514O |
Dia.5 |
4.80 |
2.5 |
BK-7 |
4,000 |
4,400 |
- |
| TS-0515O |
Dia.6 |
5.80 |
3.0 |
BK-7 |
4,000 |
4,400 |
- |
| TS-0516O |
Dia.7 |
6.77 |
3.5 |
BK-7 |
4,000 |
4,400 |
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| TS-0517O |
Dia.10 |
9.67 |
5.0 |
BK-7 |
4,500 |
4,950 |
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*This part will be made-to-order once the stock will be over.
**This part will be obsolete once the stock will be over. |
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