5x Plan PLMi Infinity-Corrected IOS Objective 0.12 NA 9.7mm Working Distance Brightfield/Darkfield - Euromex

High-fidelity imaging together with a practical working distance and infinity-corrected optics makes this objective an excellent choice for material inspection and metallographic workflows — order directly via Metav Werkzeuge or consult our specialists for application advice.

Euromex Plan PLMi 5x/0.12 — Infinity-corrected Plan objective for brightfield & darkfield (WD 9.7 mm)

The Plan PLMi 5x/0.12 is an infinity-corrected microscope objective designed for metallography and material science, optimised for both brightfield and darkfield contrast techniques

• Plan-corrected optics for flat field imaging
• Numerical aperture 0.12 for balanced resolution
• Working distance 9.7 mm for larger samples
• Compatible with brightfield and darkfield

Consistent, flat-field images for reliable measurements

The Plan correction ensures a flat field across the image circle, which reduces peripheral distortion and delivers uniform sharpness for photographic documentation and dimensional inspection. With an infinity-corrected optical design, this objective integrates into modern microscope systems with tube lenses, allowing stable imaging chains and repeatable results. The optical assembly supports routine laboratory measurements where edge-to-edge clarity contributes directly to faster quality assurance and fewer retakes.

Practical working distance and handling benefits for material workflows

A working distance of 9.7 mm provides sufficient clearance for uneven or prepared metallographic specimens and for the use of lighting accessories required in brightfield and darkfield techniques. The absence of cover glass correction means the lens is optimised for direct examination of polished or etched samples rather than mounted slides with coverslips, simplifying sample preparation in industrial labs. This configuration reduces handling steps and keeps throughput high in inspection and research environments.

Balanced optical performance: contrast, resolution and depth of field

With a numerical aperture (NA) of 0.12, the lens offers a sensible compromise between lateral resolution and depth of field, making it well suited to coarse topography and structural contrast in metals and composites. A moderate NA improves depth perception for surface features while maintaining sufficient resolving power for microstructural assessment. The optic’s performance supports reliable image-based evaluations and documentation without demanding specialist high-NA illumination systems.

Tailored for metallography and quality control applications

Designed for material science and metallographic use, the objective performs consistently in both brightfield and darkfield modes, highlighting surface defects, grain boundaries and inclusions. The robust optical design supports inspection routines, failure analysis and sample documentation where reproducibility is essential. The item is supplied as an optical objective suitable for integration into existing microscope stands and imaging setups; for identification reference see SKU BS.8805.

Contact Metav Werkzeuge in Emmerich for tailored advice on the Euromex Plan PLMi 5x/0.12, technical compatibility checks or to place an order—telephone +49 2822 7131930 or e‑mail info@metav-werkzeuge.com

Technical data

• Article number: BS.8805
• Model designation: Plan PLMi 5x/0.12
• Product: Objective / lens
• Manufacturer: Euromex

Facts

• Magnification: 5x
• Numerical aperture (NA): 0.12
• Working distance: 9.7 mm
• Infinity-corrected: yes

Special features

• Plan correction (flat field)
• IOS-corrected
• Brightfield and darkfield compatible
• No cover glass correction
• Intended for material science / metallography

FAQ

Is this objective suitable for metallographic inspection? The Plan PLMi 5x/0.12 is optimised for metallography and material science, offering flat-field imaging and a working distance appropriate for polished and etched specimens.

Can the objective be used for brightfield and darkfield techniques? Yes, the optical design supports both brightfield and darkfield contrast methods for enhanced surface and structural visualisation.

Does the lens include cover glass correction for slide work? No, this objective does not include cover glass correction and is therefore intended primarily for direct examination of prepared material samples rather than coverslipped biological slides.

Which microscopes are the objective compatible with? The infinity-corrected design is compatible with microscope systems that accept infinity objectives and use a tube lens; compatibility checks are recommended for specific stands.

What is the product reference for ordering and documentation? Order and document using the SKU BS.8805 for the Euromex Plan PLMi 5x/0.12.

Manufacturer / Responsible: Euromex Microscopen bv; Typograaf 8; 6921 VB Duiven; The Netherlands; info@euromex.com