Ball Lenses are commonly used to improve signal quality in fiber coupling applications, or for use in endoscopy or bar code scanning applications. Ball Lenses feature short back focal lengths to minimize the distance needed from the Ball Lens to the optical fiber.
| ATTRIBUTE | SPECIFICATIONS |
| DIAMETER SIZE | Φ1-Ф40mm |
| sphericity | ≤0.001mm |
| DIAMETER tolerance | ±0.003mm |
| CENTRATION | 3 arc minutes |
| CLEAR APERTURE | >80% |
| Radius | +0.0, -0.0015mm |
| SURFACE FIGURE: IRREGULARITY(N) | <0.25 fringe |
| SURFACE QUALITY | 20/10 scratch and dig |
| BEVEL | < 0.3 mm x 45° |
| COATING | With AR coating on outside surfaces |
