Cylindrical Lenses
Cylindrical Lenses are used in applications requiring magnification in one dimension only, such as in transforming a point image into a line image or changing the height of an image without changing its width.
| Specifications | General Precision | High Precision | |
|---|---|---|---|
| Material | BK7, Fused Silica, CaF2 |   |
|
| Dimension Tolerance | +0.0, -0.2mm | +0.0, -0.02mm | |
| Clear Aperture | >85% | >90% | |
| Flatness | X= λ/4@632.8nm , Y=λ/2@632.8nm | X= λ/8@632.8nm , Y=λ/4@632.8nm | |
| Surface Quality | 60-40 | 40-20 | |
| Centration | 3 arc min | 1 arc min | |
| Paraxial Focal Length Tolerance | +/-1% | ||
| Bevel | 0.25mm x 45° | ||
| Coating | Upon request | ||
Note: Any sizes, material and coatings are available upon request.
