Description
The Mitutoyo 7.5× M-Plan Apo Objective Lens (378-803-12) is designed for advanced brightfield imaging and industrial vision integration, offering plan-apochromatic correction for sharp, colour-accurate images across the visible spectrum.
With an excellent balance of magnification and numerical aperture, this lens is particularly suited for materials inspection, quality control, and imaging research.
7.5× Mitutoyo M-Plan Apo Key Specifications:
- Part Number: 378-803-12
- Magnification: 7.5×
- NA: 0.21
- Working Distance: 20 mm
- Focal Length: 27 mm
- Resolving Power: 1.3 μm
- Depth of Field: 1.4 μm
- Thread: M26 × 36T
- Parfocal Distance: 95 mm
- Tube Length: 200 mm
- Wavelength Range: 435–655 nm
- Dimensions: 63 mm (L) × 34 mm (ø)
- Weight: 200 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 7.5× 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:
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.
Magnification | NA | Working Distance | Resolving Power | Depth of Field |
---|---|---|---|---|
1× | 0.025 | 11 mm | 11 μm | 17.4 μm |
2× | 0.055 | 34 mm | 3.0 μm | 5.8 μm |
5× | 0.14 | 34 mm | 2.0 μm | 2.3 μm |
7.5× | 0.21 | 34 mm | 1.3 μm | 1.4 μm |
10× | 0.28 | 34 mm | 1.0 μm | 1.0 μm |
20× | 0.42 | 20 mm | 0.7 μm | 0.5 μm |
50× | 0.55 | 13 mm | 0.61 μm | 0.4 μm |
100× | 0.70 | 6 mm | 0.39 μm | 0.3 μm |
Note: Higher NA objectives provide greater resolution but reduced depth of field. Choose the magnification that best matches your sample and application.
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