M Plan APO Zoom Tube
M Plan APO Zoom Tube
The MSZ-APO zoom lens has an internal zoom 6X ( 0.75X – 4.5X ). This zoom lens can be used with Seiwa Optical’s long-working destance, M. Plan APO objective lens series. In addition, Seiwa Optical prepares special conversion objective lenses of 0.5X, 0.75X, 1X, 1.5X and 2X (please see table shown below) which convert the zoom magnification of MSZ-APO zoom lens to use an standalone.
Data of MSZ-APO with M.PLAN APO Objective Lenses
| M.PlanAPO | Total Mag | WD | Resolution | N.A |
|---|---|---|---|---|
| 2.5X | 0.9-5.4X | 32.5mm | 9.6-5.6μm | 0.035-0.06 |
| 5X | 1.8-10.8X | 36.2mm | 4.7-2.1 μm | 0.072-0.16 |
| 10X | 3.6-21.6X | 38.9mm | 2.4-1.5 μm | 0.14-0.23 |
| 20X | 7.2-43.2X | 22.2mm | 1.2-1.0 μm | 0.28-0.35 |
| 50X | 18-108X | 18.3mm | 0.8 μm | 0.4 |
| Model | Magnification | Working Distance | N.A. |
|---|---|---|---|
| 0.75x - 4.5x | 92 | 0.029 - 0.069 |