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Mitutoyo 378-848-3 | G Plan Apo 50x t3.5 Objective | N.A. 0.5, WD 15.08 mm
The 378-848-3 is the G Plan Apo 50x t3.5 objective, a 50x lens with numerical aperture 0.5 and a working distance of 15.08 mm through glass (13.89 mm in air). Cover-glass correction for 3.5 mm glass allows a workpiece to be observed through it in bright field with visible light.
Key features
- Resolving power 0.6 µm; depth of field 1.1 µm
- Cover-glass thickness t3.5 mm
- Corrected wavelength range 436-656 nm
- Field of view ø0.48 mm with a ø24 mm eyepiece; 0.1 x 0.13 mm on a 1/2-inch camera chip
- Focal distance 4 mm; parfocal distance 96.19 mm
- Compatible microscope types: VMU / FS-70 / MF-U / Hyper MF-U
- Specifications
- Downloads
| Part Number | 378-848-3 |
| Brand | Mitutoyo |
| Magnification | 50x |
| Cover Glass Thickness | t3.5 mm |
| Numerical Aperture | 0.5 |
| Working Distance | 15.08 mm (through glass); 13.89 mm (in air) |
| Corrected Wavelength | 436-656 nm |
| Correction | Infinite |
| Focal Distance | 4 mm |
| Parfocal Distance | 96.19 mm |
| Resolving Power | 0.6 µm |
| Depth of Field | 1.1 µm |
| Field of View (ø24 mm eyepiece) | ø0.48 mm |
| Field of View (1/2-inch camera) | 0.1 x 0.13 mm |
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