5x Plan Semi-Apochromatic Objective 0.15 NA 20mm Working Distance 45mm Parfocal M26 Mount - Euromex

Take advantage of the optical precision, extended working distance and parfocal compatibility to speed up routine inspections and reduce adjustment time; order the lens directly via Metav Werkzeuge or consult with our technical advisors for specification matching.

PL-SAMi 5x/0.15 Plan Semi-Apochromatic Objective — 20 mm working distance, M26 mount (Euromex)

The PL-SAMi 5x/0.15 objective is a plan semi-apochromatic microscope lens engineered for long-working-distance inspection and stable parfocal performance in industrial and laboratory imaging

• 5× magnification, NA 0.15
• 20 mm long working distance
• 45 mm parfocal spacing
• M26 thread mount, no cover glass correction

Consistent flat-field imaging for demanding inspections

The plan semi-apochromatic design delivers a broadly corrected image with a flat field across the visual area, which reduces field curvature and chromatic artefacts compared with simple achromats. For routine quality checks and documentary imaging, this optical correction means fewer focus adjustments and more reliable image reproduction. The moderate numerical aperture (NA 0.15) balances resolution and depth of field, making the lens well suited to samples that require clear detail without the shallow focus of high-NA optics.

Longer working distance and parfocal workflow for greater efficiency

A generous 20 mm working distance creates practical clearance between the objective and the specimen, facilitating handling, fixturing and illumination without risk of collision. The 45 mm parfocal spacing ensures that the lens maintains focus when rotating through typical objective turrets or when changing magnifications within a parfocal set, which reduces downtime and keeps inspection cycles short. These mechanical and optical attributes translate into faster throughput in production or inspection routines.

Precise mounting and performance parameters explained

The M26 mounting thread provides a compact, mechanically stable connection compatible with many inspection and microscope stand configurations. The 5× magnification in combination with the NA 0.15 determines the balance of image scale, resolution and depth of field; higher NA improves resolving power but narrows focus, whereas this configuration offers a compromise for versatile use. Note that the lens is supplied without cover-glass correction, indicating it is optimised for specimens viewed without a standard cover slip or for systems where correction is applied elsewhere in the imaging train. The product designation includes IOS BD and is supplied by Euromex for precision optical applications.

For reliable optical performance from Euromex and specification support, contact Metav Werkzeuge to discuss compatibility and ordering: info@metav-werkzeuge.com | +49 2822 7131930

Technical data

• Article number: DI.8105
• Product designation: Plansemiapochromatisch PL-SAMi 5x/0.15 IOS BD objective, 20 mm working distance, no cover-glass correction, 45 mm parfocal, M26 mount
• Manufacturer: Euromex
• Product type: Objective / Lens

Facts

• Magnification: 5×
• Numerical aperture: 0.15
• Working distance: 20 mm
• Parfocal distance: 45 mm
• Mount thread: M26

Special features

• Plan semi-apochromatic optical correction
• No cover-glass correction
• IOS BD designation
• Parfocal 45 mm
• M26 mounting thread

FAQ

What applications suit this objective best?
The PL-SAMi 5x/0.15 objective from Euromex is suited to routine inspection, documentation and tasks where a flat field and a long working distance are advantageous.

Can this objective be used with a cover slip?
The lens is supplied without cover-glass correction; for optimal results with a cover slip, compensation elsewhere in the optical path or a cover-glass-corrected objective is recommended.

How does the numerical aperture affect image quality?
A numerical aperture of 0.15 governs resolution and depth of field; the PL-SAMi 5x/0.15 objective offers a balance between resolving detail and maintaining usable depth for inspection tasks.

Is the M26 thread compatible with standard microscope turrets?
M26 is a compact mounting specification; compatibility depends on the microscope or stand adaptor, so the mechanical interface should be checked before installation.

What does parfocal 45 mm mean in practice?
Parfocal 45 mm indicates the objective is designed to remain in focus when used within a turret or system set for that parfocal distance, reducing the need for refocusing between objectives.

Manufacturer: Euromex Microscopen bv, Typograaf 8, 6921 VB Duiven, Nederland, info@euromex.com