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Mitutoyo 378-817-8 | M Plan Apo NUV 20x Objective | N.A. 0.42, WD 17 mm
Item 378-817-8, the M Plan Apo NUV 20x, is an infinite-corrected 20x objective offering N.A. 0.42 and a working distance of 17 mm in air. Corrected from the near-ultraviolet through the visible, it serves bright-field inspection and laser applications.
Key features
- Resolving power 0.7 µm; depth of field 1.7 µm
- Corrected wavelength range 355-620 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
- Mass 350 g
- Specifications
- Downloads
| Part Number | 378-817-8 |
| Brand | Mitutoyo |
| Magnification | 20x |
| Numerical Aperture | 0.42 |
| Working Distance | 17 mm (in air) |
| Corrected Wavelength | 355-620 nm |
| Correction | Infinite |
| Focal Distance | 10 mm |
| Parfocal Distance | 95 mm |
| Resolving Power | 0.7 µm |
| Depth of Field | 1.7 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 | NUV |
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