| Quantity | Price(USD) | Ship Date |
|---|---|---|
| 1-10 | $25.00 | TBD |
| 10- | $25.00 | TBD |
NOTE : Ship Dates above are subject to change depending upon availability.

Crafted from Corning 7980 fused silica, this model offers superior material homogeneity and lower fluorescence than standard quartz.
With a long -450mm focal length, it allows for precise, subtle beam divergence control in sensitive metrology applications.
| D (mm) | f (mm) | Te (mm) | Tc (mm) | fb (mm) | r (mm) | Centration |
|---|---|---|---|---|---|---|
| 25.4 | -450 | 2.29 | 1.9 | -451.4 | 202.5 | ≤ 1' |
| Quantity | Price(USD) | Ship Date |
|---|---|---|
| 1-10 | $25.00 | TBD |
| 10- | $25.00 | TBD |