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Posted on July 09, 2011

378-841

BD M Plan APO 50X SL, NA 0.42 WD 20.5 mm objective

Long Working Distance for Brightfield / Darkfield inspection. Mounting thread is much larger diameter (40 mm) than on standard brightfield objectives to accomodate the darkfield illumination channel surrounding the objective core. Consequently this objective cannot be use on standard Mitutoyo nosepieces. Also, even with suitable adapter the darkfield illumination would not be available.
Mitutoyo’s objectives are world-renowned for setting the standard of excellence for long working distance microscope optics.
SPECIFICATIONS:
Numerical Aperture: 0.42
Working Distance (mm): 20.5
Focal Length (mm) : 4
Resolving Power (µm): 0.7
Depth of Focus (µm) : 1.6
Field of View - Dia. (mm)
Eyepiece, 24 Dia. Field: 0.48
Eyepiece, 18 Dia. Field: 0.36
Field of View - V x H (mm)
1/2" CCD Camera: 0.10 x 0.13
Weight (g): 310

This is a new product with a 1 year warranty.

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