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Mitutoyo 378-893-8 | LCD Plan UV Objective | 50x, N.A. 0.41, t0.7 mm glass
378-893-8 is a 50x LCD Plan UV objective: infinity correction, N.A. 0.41 and wavelength correction over 266 and 550 nm (UV) for bright-field observation. Working distance measures 12.6 mm through the cover glass and 12.38 mm in air; cover-glass compensation is built in for 0.7 mm SiO2 glass. For the 378-893-8, the long-working-distance plan design suits bright-field inspection and laser applications.
Key features
- Resolves to 0.7 µm; depth of focus is 1.6 µm.
- Sees ø0.48 mm through a ø24 mm eyepiece and 0.1 x 0.13 mm on a 1/2 in camera chip (378-893-8).
- Focal distance f = 4 mm; P.D. = 95 mm (378-893-8).
- Listed as high-resolution: no; for laser use: yes; cover-glass compensation: yes (378-893-8).
- Listed for use with VMU / FS-70> microscopes.
- Weighs 400 g.
- Specifications
- Downloads
| Part Number | 378-893-8 |
| Brand | Mitutoyo |
| Model | LCD Plan UV 50X (t0.7) |
| Magnification | 50x |
| Cover Glass | 0.7 mm SiO2 |
| Working Distance (Through Glass) | 12.6 mm |
| Working Distance (In Air) | 12.38 mm |
| Corrected Wavelength | 266 and 550 nm |
| Numerical Aperture (N.A.) | 0.41 |
| Focal Distance (f) | 4 mm |
| Parfocal Distance | 95 mm |
| Resolving Power | 0.7 µm |
| Depth of Focus | 1.6 µm |
| Field of View (ø24 mm eyepiece) | ø0.48 mm |
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