20x Mitutoyo M-Plan Apo Objective Lens

Description

The Mitutoyo 20× M-Plan Apo Objective Lens (378-805-12) is a high-precision optical component designed for advanced microscopy, imaging, and inspection. With its apochromatic correction and infinity-corrected design, it delivers sharp, colour-accurate images across the visible spectrum.

Offering 20× magnification with a long working distance, this lens is widely used in electronics inspection, life sciences, and material research.

20× Mitutoyo M-Plan Apo Key Specifications:

• Part Number: 378-805-12
• Magnification: 20×
• NA: 0.42
• Working Distance: 20 mm
• Focal Length: 10 mm
• Resolving Power: 0.7 μm
• Depth of Field: 0.5 μm
• Thread: M26 × 36T
• Parfocal Distance: 95 mm
• Tube Length: 200 mm
• Wavelength Range: 435–655 nm
• Dimensions: 67 mm (L) × 34 mm (ø)
• Weight: 220 g
• Delivery: 1-2 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 20× M-Plan Apo is designed for seamless use in advanced microscopy and machine vision systems, including:

• Mitutoyo VMU – Video Microscope Unit
• Navitar Resolv4K Zoom System
• Navitar Resolv4K Fixed Magnification
• Navitar 12x Zoom System
• Navitar Zoom 6000 System
• Navitar Precise Eye Lenses
• Optem FMOS Fixed Magnification
• Optem Fusion Zoom System
• Optem Fusion Fixed Magnification
• Optem 70XL Zoom System
• Optem 125C Zoom System

Relevant Case Studies:

• One Zoom Two Configurations
• 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.