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Mitutoyo 378-888-6 | M Plan Apo NUV HR Objective | 50x, N.A. 0.65, 355-620 nm
378-888-6 is a 50x M Plan Apo NUV HR objective: infinity correction, N.A. 0.65 and wavelength correction over 355-620 nm (NUV) for bright-field observation. It offers 10 mm in air of working distance, with no cover-glass compensation. For the 378-888-6, the long-working-distance plan apochromat design suits bright-field inspection and laser applications.
Key features
- Resolves to 0.42 µm; depth of focus is 0.65 µm.
- Field of view: ø0.48 mm with a ø24 mm eyepiece, 0.1 x 0.13 mm with a 1/2 in digital camera chip.
- Focal distance f = 4 mm; P.D. = 95 mm.
- Listed as high-resolution: yes; for laser use: yes; cover-glass compensation: no.
- Listed for use with VMU / FS-70 microscopes.
- Weighs 550 g.
- Specifications
- Downloads
| Part Number | 378-888-6 |
| Brand | Mitutoyo |
| Model | M Plan Apo NUV HR 50X |
| Magnification | 50x |
| Working Distance (In Air) | 10 mm |
| Corrected Wavelength | 355-620 nm |
| Numerical Aperture (N.A.) | 0.65 |
| Focal Distance (f) | 4 mm |
| Parfocal Distance | 95 mm |
| Resolving Power | 0.42 µm |
| Depth of Focus | 0.65 µm |
| Field of View (ø24 mm eyepiece) | ø0.48 mm |
| Mass | 550 g |
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