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Lens
BK7 Lenses
| Specifications | |
|---|---|
| Material: | BK7 |
| Design Wavelength: | 546.1nm |
| Design Index: | 1.5183 ± 0.0005 |
| Diameter Tolerance: | +0.0, -0.15mm |
| Paraxial Focal Length Tolerance: | ±2% |
| Centration: | 3 arc minutes |
| Clear Aperture: | >85% |
| Surface Figure: | λ/4@632.8nm |
| Surface Quality: | 60/40 scratch/dig |
| Bevel: | 0.25 mm x 45° |
| Coating: | Uncoated |
BK7 Plano Concave Lens
| Part No. | f (mm) | dia (mm) | R1 (mm) | tc (mm) | te (mm) | fb (mm) | Illustration |
|---|---|---|---|---|---|---|---|
| PCV1201 | -15.0 | 12.7 | 7.78 | 2.0 | 5.3 | -16.3 |  |
| PCV1202 | -20.0 | 12.7 | 10.37 | 2.0 | 4.1 | -21.3 | |
| PCV1203 | -25.0 | 12.7 | 12.96 | 2.0 | 3.7 | -26.3 | |
| PCV1204 | -30.0 | 12.7 | 15.55 | 2.0 | 3.4 | -31.3 | |
| PCV1205 | -40.0 | 12.7 | 20.73 | 2.0 | 3.0 | -41.3 | |
| PCV1206 | -50.0 | 12.7 | 25.92 | 2.0 | 2.8 | -51.3 | |
| PCV1301 | -25.0 | 25.4 | 12.97 | 2.0 | 10.9 | -26.3 | |
| PCV1302 | -35.0 | 25.4 | 18.14 | 2.0 | 7.2 | -36.3 | |
| PCV1303 | -50.0 | 25.4 | 25.92 | 2.0 | 5.3 | -51.3 | |
| PCV1305 | -75.0 | 25.4 | 38.87 | 2.0 | 4.1 | -76.3 | |
| PCV1306 | -100.0 | 25.4 | 51.83 | 2.0 | 3.6 | -101.3 | |
| PCV1307 | -150.0 | 25.4 | 77.75 | 2.0 | 3.0 | -151.3 | |
| PCV1308 | -200.0 | 25.4 | 103.66 | 2.0 | 2.7 | -201.3 |