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Mitutoyo 378-804-3 | M Plan Apo 20x Objective | N.A. 0.42, WD 20 mm
With N.A. 0.42 and a working distance of 20 mm in air, item 378-804-3 (M Plan Apo 20x) delivers 20x magnification. A plan apochromat with infinity correction, it serves bright-field inspection in the visible range and keeps the image flat over the full field.
Key features
- Resolving power 0.7 µm; depth of field 1.6 µm
- Corrected wavelength range 436-656 nm
- Field of view ø1.2 mm with a ø24 mm eyepiece; 0.24 x 0.32 mm on a 1/2-inch camera chip
- Focal distance 10 mm; parfocal distance 95 mm
- Compatible microscope types: VMU / FS-70 / MF-U / Hyper MF-U
- Mass 270 g
- Specifications
- Downloads
| Part Number | 378-804-3 |
| Brand | Mitutoyo |
| Magnification | 20x |
| Numerical Aperture | 0.42 |
| Working Distance | 20 mm (in air) |
| Corrected Wavelength | 436-656 nm |
| Correction | Infinite |
| Focal Distance | 10 mm |
| Parfocal Distance | 95 mm |
| Resolving Power | 0.7 µm |
| Depth of Field | 1.6 µm |
| Field of View (ø24 mm eyepiece) | ø1.2 mm |
| Field of View (1/2-inch camera) | 0.24 x 0.32 mm |
| Spectral Range | VIS |
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