It is a product with lower quality than DLB series with low surface spherical achromatic lens.
Allowed to use optical system, which is not required high surface quality imaging lens such as the microscope lens and telescope lens.
| Material | BK7, SF2 |
| Design wavelength | Blue: 486.1nm, Green: 546.1nm, Red 56.3nm |
| Centration | <3′ |
| Coating | Antireflection coating |
| Surface Quality (scratch-Dig) | 60-40 |
| Clear aperture | 90% of actual aperture |
| Part number | Diameter ØD [MM] | Focal length f [MM] | Center thickness tc [MM] | Edge thickness te [MM] | Back focal length fb [MM] |
| S-DLB-10-20-PM | Ø10 | 20.0 | 6.7 | 5.1 | 16.6 |
| S-DLB-10-25-PM | Ø10 | 25.0 | 6.1 | 4.9 | 22.1 |
| S-DLB-10-40-PM | Ø10 | 40.0 | 5.3 | 4.6 | 37.5 |
| S-DLB-10-50-PM | Ø10 | 50.0 | 5.0 | 4.4 | 47.5 |
| S-DLB-10-100-PM | Ø10 | 100.5 | 4.5 | 4.2 | 98.1 |
| S-DLB-15-25-PM | Ø15 | 25.2 | 8.8 | 6.0 | 20.7 |
| S-DLB-15-30-PM | Ø15 | 30.1 | 8.0 | 5.7 | 26 |
| S-DLB-15-40-PM | Ø15 | 40.1 | 6.9 | 5.2 | 36.5 |
| S-DLB-15-50-PM | Ø15 | 50.1 | 6.3 | 5.0 | 47.1 |
| S-DLB-15-80-PM | Ø15 | 79.9 | 5.5 | 4.7 | 77.1 |
| S-DLB-15-100-PM | Ø15 | 100.0 | 5.2 | 4.5 | 97.3 |
| S-DLB-20-30-PM | Ø20 | 30.6 | 10.9 | 6.8 | 24.9 |
| S-DLB-20-40-PM | Ø20 | 40.1 | 9.2 | 6.2 | 35.3 |
| S-DLB-20-50-PM | Ø20 | 50.2 | 8.1 | 5.7 | 46.0 |
| S-DLB-20-60-PM | Ø20 | 60.2 | 7.4 | 5.4 | 56.6 |
| S-DLB-20-70-PM | Ø20 | 70.1 | 6.9 | 5.2 | 66.7 |
| S-DLB-20-80-PM | Ø20 | 79.9 | 6.6 | 5.1 | 76.6 |
| S-DLB-20-100-PM | Ø20 | 99.5 | 6.1 | 4.9 | 96.4 |
| S-DLB-20-120-PM | Ø20 | 120.3 | 5.7 | 4.7 | 117.3 |
| S-DLB-20-150-PM | Ø20 | 149.8 | 5.4 | 4.6 | 147.0 |
| S-DLB-20-200-PM | Ø20 | 200.1 | 5.1 | 4.5 | 197.3 |
| S-DLB-25-50-PM | Ø25 | 50.1 | 10.9 | 7.1 | 44.9 |
| S-DLB-25-70-PM | Ø25 | 69.9 | 9.0 | 6.3 | 65.3 |
| S-DLB-25-100-PM | Ø25 | 100.2 | 7.7 | 5.9 | 96.5 |
| S-DLB-25-120-PM | Ø25 | 119.8 | 7.2 | 5.6 | 116.2 |
| S-DLB-25-150-PM | Ø25 | 149.6 | 6.7 | 5.5 | 146.2 |
| S-DLB-30-60-PM | Ø30 | 60.3 | 12.6 | 8.1 | 53.9 |
| S-DLB-30-100-PM | Ø30 | 100.7 | 9.5 | 6.8 | 96.0 |
| S-DLB-30-120-PM | Ø30 | 120.1 | 8.8 | 6.6 | 115.7 |
| S-DLB-30-150-PM | Ø30 | 150.0 | 8.1 | 6.3 | 146.0 |
| S-DLB-30-200-PM | Ø30 | 200.2 | 7.3 | 6.0 | 196.4 |
| S-DLB-30-300-PM | Ø30 | 300.4 | 6.6 | 5.7 | 296.9 |