Apochromatic Objectives.
| Objectives | Focal length mm | Numerical Aperture | Micrometer Values | Price $ |
| { 16 Dry Series { 8 { 4 | 16 | 0,30 | 0,015 mm | 24 |
|---|---|---|---|---|
| 8 | 0,65 | 0,007 mm | 32 | |
| 4 | 0,95 | 0,003 mm | 48 with correction collar | |
| Homogeneous Oil-Immersion { 2 | 2 | 1,30 | 0,002 mm | 100 |