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Objective lens | eyepiece | ||
Magnification numerical aperture | Focal length (mm) | gain | Focal length (mm) |
4×/0.1 | 28.8 | 10× | 25 |
10×/0.25 | 15.4 | ||
40×0.65 | 4.4 |
Total magnification | Working distance (mm) | Field of view diameter (mm) | |
40× | 17.50 | 3.40 | |
100× | 11.60 | 1.40 | |
400× | 0.66 | 0.35 |