50x Mitutoyo M-Plan Apo Objective Lens

Description

The Mitutoyo 50× M-Plan Apo Objective Lens (378-806-12) is engineered for ultra-detailed imaging, offering 50× magnification with a flat, apochromatically corrected field. Infinity correction allows seamless integration into microscope and vision system setups.

With a working distance of 13 mm, this lens balances extremely high resolution with practical usability, making it ideal for semiconductor inspection, R&D, and high-precision imaging.

50× Mitutoyo M-Plan Apo Key Specifications:

• Part Number: 378-806-12
• Magnification: 50×
• NA: 0.55
• Working Distance: 13 mm
• Focal Length: 4 mm
• Resolving Power: 0.61 μm
• Depth of Field: 0.4 μm
• Thread: M26 × 36T
• Parfocal Distance: 95 mm
• Tube Length: 200 mm
• Wavelength Range: 435–655 nm
• Dimensions: 79 mm (L) × 34 mm (ø)
• Weight: 230 g
• Delivery: 2–3 weeks

Series Features (Mitutoyo M-Plan Apo)

• Plan-corrected for a flat image across the full field of view
• Apochromatic design (3-colour correction: red, blue, yellow)
• Infinity-corrected optics for straightforward system integration
• Brightfield observation in the visible spectrum
• Long working distances for easier specimen access

System Integration:

The Mitutoyo 50× M-Plan Apo is designed for seamless use in advanced microscopy and machine vision systems, including:

• Mitutoyo VMU – Video Microscope Unit
• Navitar Resolv4K Fixed Magnification
• Navitar Precise Eye Lenses
• Optem FMOS Fixed Magnification
• Optem Fusion Fixed Magnification

Relevant Case Studies:

• Fixed Magnification SWIR Optics

contact us for full system configuration, quotation, build, and supply.

Compare Mitutoyo M-Plan Apo Objective Lenses:

Use this quick reference to select the right Mitutoyo M-Plan Apo objective for your imaging application.
All models are infinity-corrected, plan-apochromatic, and designed for brightfield use with long working distances.

Note: Higher NA objectives provide greater resolution but reduced depth of field. Choose the magnification that best matches your sample and application.