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Mitutoyo 378-847 | G Plan Apo 20x t3.5 Objective | N.A. 0.28, WD 30.6 mm
Part Number : 378-847
Item 378-847, the G Plan Apo 20x t3.5, is an infinite-corrected 20x objective offering N.A. 0.28 and a working distance of 30.6 mm through glass (29.42 mm in air). It is corrected for viewing a workpiece through 3.5 mm of cover glass and is used for bright-field observation in the visible range.
Key features
- Resolving power 1 µm; depth of field 3.5 µm
- Cover-glass thickness t3.5 mm
- Corrected wavelength range 436-656 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 96.19 mm
- Compatible microscope types: VMU / FS-70 / MF-U / Hyper MF-U
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