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Mitutoyo 378-868-5 | M Plan Apo NIR B 50x Objective | N.A. 0.42, WD 25.5 mm
Part Number : 378-868-5
The 378-868-5 is the M Plan Apo NIR B 50x objective, a 50x lens with numerical aperture 0.42 and a working distance of 25.5 mm in air. The B version of the near-infrared M Plan Apo line, it provides a long working distance for bright-field inspection and laser applications.
Key features
- Resolving power 0.7 µm; depth of field 1.6 µm
- Corrected wavelength range 420-1064 nm
- Field of view ø0.48 mm with a ø24 mm eyepiece; 0.24 x 0.13 mm on a 1/2-inch camera chip
- Focal distance 4 mm; parfocal distance 95 mm
- Keeps the N.A. of the NIR 20X/50X series while extending working distance to 25.5 mm
- Mass 375 g
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