| Quantity | Price(USD) | Ship Date |
|---|---|---|
| 1-10 | $12.00 | TBD |
| 10- | $12.00 | TBD |
NOTE : Ship Dates above are subject to change depending upon availability.

A fundamental component for compact optical assemblies. The 1:2 diameter-to-focal-length ratio is perfectly balanced for reducing spherical aberration while maintaining a reasonable aperture.
It is the preferred choice for building small-scale Galilean beam expanders.
| D (mm) | f (mm) | tc (mm) | te (mm) | fb (mm) | r (mm) | Centration |
|---|---|---|---|---|---|---|
| 12.7 | 25.4 | 3.5 | 2 | 22.8 | 13.18 | ≤ 1' |
| Quantity | Price(USD) | Ship Date |
|---|---|---|
| 1-10 | $12.00 | TBD |
| 10- | $12.00 | TBD |











