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Mitutoyo 378-892-8 | LCD Plan UV Objective | 20x, N.A. 0.37, t0.7 mm glass
The LCD Plan UV 20x (378-892-8) is an infinity-corrected objective with N.A. 0.37, corrected for 266 and 550 nm for bright-field work in the UV range. Its working distance is 15.2 mm through the cover glass and 14.98 mm in air, and it compensates for a 0.7 mm SiO2 cover glass. The long-working-distance plan design suits bright-field inspection and laser applications.
Key features
- Resolving power 0.8 µm with a depth of focus of 2.1 µm.
- Sees ø1.2 mm through a ø24 mm eyepiece and 0.24 x 0.32 mm on a 1/2 in camera chip.
- Focal distance f = 10 mm; P.D. = 95 mm.
- Listed as high-resolution: no; for laser use: yes; cover-glass compensation: yes.
- Mass 370 g.
- Specifications
- Downloads
| Part Number | 378-892-8 |
| Brand | Mitutoyo |
| Model | LCD Plan UV 20X (t0.7) |
| Magnification | 20x |
| Cover Glass | 0.7 mm SiO2 |
| Working Distance (Through Glass) | 15.2 mm |
| Working Distance (In Air) | 14.98 mm |
| Corrected Wavelength | 266 and 550 nm |
| Numerical Aperture (N.A.) | 0.37 |
| Focal Distance (f) | 10 mm |
| Parfocal Distance | 95 mm |
| Resolving Power | 0.8 µm |
| Depth of Focus | 2.1 µm |
| Field of View (ø24 mm eyepiece) | ø1.2 mm |
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