Mitutoyo 378-801-12 M Plan Apo 2X Objective, NA 0.055, WD 34.0mm

Mitutoyo M Plan Apo 2X infinity-corrected objective for brightfield observation – the standard metallurgical plan apochromat: flat, chromatic-aberration-free image across the field. Mitutoyo 378 series objectives have the world's longest working distances, giving good clearance over awkward workpiece features. Mounting thread to JIS B-7141.

• Magnification: 2X
• Numerical aperture: 0.055
• Working distance: 34.0 mm
• Focal length: 100 mm
• Resolving power: 5.0 µm
• Depth of focus: 91 µm
• Field of view (FN 24 eyepiece): 12 mm
• Field of view (1/2" camera): 2.4 x 3.2 mm
• Observation: Brightfield
• Mass: 220 g

Made in Japan by Mitutoyo.