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Focal Lengths and Spacings for Five-Lens Multifocal Scanning System for a Home-Built Microscopea
| Element | Focal Length (mm) | Distance to Next (mm) |
|---|---|---|
| L1 | 750 | 752 to M1 |
| M1 | ∞ | 45 to L2 |
| L2 | 40 | 50 to L3 |
| L3 | 40 | 45 to M2 |
| M2 | ∞ | 12 to L4 |
| L4 | 19 | 114 to L5 |
| L5 | 100 | 110 to Obj |
L1–L5, lenses as labeled in Fig. 23; M1 and M2, horizontal and vertical scan mirrors.
