Specifications
| Material | BK7; SF5 |
| Design Wavelength | 589.6nm |
| Diamete Tolerance | +0.0，-0.15mm |
| Thickness Tolerance | +/-0.1mm |
| Paraxial Focal Length Tolerance | +/-2% |
| Centration | 3 arc minute |
| Clear Aperture | >85% |
| Surface Figure | λ/4@632.8nm |
| Surface Quality | 60/40 Scratch/Dig |
| Bevel | 0.25mm*45° |
| Coating | Uncoated |
Positive Achromatic Lenses
| Part No. | φ(mm) | f (mm) | R1 (mm) | R2=R3 | R4 | TC1(mm) | TC2(mm) | f b (mm) | Lens A | Lens B |
| ALYP1301 | 12.5 | 25 | 10.55 | 10.55 | 200.14 | 7 | 2 | 18.32 | BK7 | SF5 |
| ALYP1302 | 12.5 | 50 | 24.97 | 24.97 | 119.88 | 4 | 2 | 46.39 | BK7 | SF5 |
| ALYP1303 | 12.5 | 75 | 38.1 | 38.1 | 172.49 | 3.5 | 2 | 71.79 | BK7 | SF5 |
| ALYP1304 | 12.5 | 100 |
51.21 |
51.21 | 225.98 | 2 | 2 | 97.15 | BK7 |
SF5 |
