40mm 40x Achios-X Observer Microscope Objective 0.7 mm Working Distance 0.65 NA - Euromex

Take advantage of the combination of 40x magnification, a 0.7 mm working distance and a numerical aperture of 0.65 for crisp, high‑contrast imaging in close‑range life‑science inspection; order the objective directly via Metav Werkzeuge or consult our specialists for compatibility and delivery.

Achios‑X Observer AX.7740 microscope objective — 40x, NA 0.65 (Euromex)

The Achios‑X Observer AX.7740 is a 40x microscope objective designed for high‑resolution life‑science observation with a short working distance and elevated numerical aperture.

• 40x magnification, high-resolution optics
• Numerical aperture 0.65 for improved contrast
• Working distance 0.7 mm for close inspection

Sharper detail through a high numerical aperture

The AX.7740 features an NA of 0.65, which directly enhances resolution and image contrast by collecting a larger cone of light from the specimen. A higher numerical aperture reduces the smallest resolvable detail, so structures that would otherwise blur are rendered with greater clarity. The optical configuration—listed as PLPHi in the original specification—supports improved detail rendition in brightfield and similar transmitted‑light techniques. For routine inspection tasks where discerning fine morphology or subtle contrast differences matters, the elevated NA delivers a measurable advantage in image quality and diagnostic confidence.

Optimised for close‑range observation and delicate samples

With a 0.7 mm working distance, this objective is tailored to close‑range inspection of thin specimens and coverslip preparations. The short clearance improves optical coupling to the specimen, contributing to sharper images, but it also requires careful sample handling and appropriate stage movement to avoid contact. For specimen mounting, standard coverslip thicknesses and low‑profile holders are recommended to preserve the working distance and focus range. Where larger sample clearance is necessary, consider alternative objectives with greater working distances; however, for tasks demanding fine surface detail or high contrast at medium magnification, the compact gap of this objective is a design advantage.

Reliable performance for laboratory workflows

Manufactured by Euromex, the AX.7740 is part of a series engineered for consistent day‑to‑day use in laboratory environments. The design supports reproducible observations and integrates into established imaging routines without extensive recalibration. For purchasers seeking dependable supply and fast delivery within Europe, Metav supports procurement and technical clarification from its Emmerich location. If additional technical data or clarification on mechanical fitment is required, the product specification references the Life Science PDF (source: Life Science PDF, p. 21), which lists the 40x/0.65 PLPHi configuration and the 0.7 mm working distance for precise verification.

For precise ordering or technical advice on the Euromex AX.7740, contact Metav Werkzeuge in Emmerich at info@metav-werkzeuge.com or +49 2822 7131930 for assistance with instrument compatibility and delivery options.

Technical Data

• Article number: AX.7740
• Manufacturer: Euromex
• Product type: Microscope objective
• Model series: Achios‑X Observer
• Source: Life Science PDF, p. 21

Facts

• Magnification: 40x
• Working distance: 0.7 mm
• Numerical aperture: 0.65

Special features

• PLPHi design
• For microscopes (objective for life‑science observation)
• SKU: AX.7740

FAQ

What does a numerical aperture of 0.65 mean for imaging performance?
A numerical aperture of 0.65 indicates a larger light‑gathering ability, which improves resolution and contrast; with the AX.7740 this results in finer detail and clearer microstructure rendition compared with lower‑NA objectives.

Is the AX.7740 suitable for thick or bulky samples?
The 0.7 mm working distance makes this objective best suited to thin specimens and standard coverslip preparations; bulky or tall samples will likely require an objective with a greater working distance.

What does the PLPHi designation indicate?
PLPHi refers to the optical correction and design family used in the objective; it denotes a plan‑type, high‑performance configuration optimised for flat, high‑resolution imaging across the field of view.

How should the objective be cleaned and maintained?
Clean optical surfaces with appropriate lens tissue and a small amount of lens cleaner; avoid abrasives and strong solvents. Handle the objective by the barrel and store in a dust‑free case when not in use to preserve performance.

Which microscopes is this objective compatible with?
Compatibility depends on the mechanical turret and tube length of the microscope; the AX.7740 belongs to the Achios‑X Observer series and should be checked against the instrument specifications for mechanical fit and parfocality.

Manufacturer / Responsible: Metav Werkzeuge GmbH; Parkring 45; 46446 Emmerich; Germany; +49 2822 7131930; info@metav-werkzeuge.com