Mitutoyo 378-810-3 M Plan Apo SL 20X Objective, NA 0.28, WD 30.5mm

Mitutoyo M Plan Apo SL 20X infinity-corrected objective for brightfield observation – extra-long working distance for easier working and better lens protection. 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: 20X
• Numerical aperture: 0.28
• Working distance: 30.5 mm
• Focal length: 10 mm
• Resolving power: 1.0 µm
• Depth of focus: 3.5 µm
• Field of view (FN 24 eyepiece): 1.2 mm
• Field of view (1/2" camera): 0.24 x 0.32 mm
• Observation: Brightfield
• Mass: 240 g

Made in Japan by Mitutoyo.