5.1 mm 20x iScope Microscope Objective 0.40 NA - Euromex

High-resolution imaging at 20x magnification combined with a 0.40 numerical aperture and a 5.1 mm working distance delivers crisp, reliable results for routine laboratory and teaching applications; order the objective directly via Metav Werkzeuge or request technical advice from our consultants.

iScope IS.8920 20x Microscope Objective, 0.40 NA by Euromex

The iScope IS.8920 is the 20x microscope objective optimised for routine laboratory and life science brightfield work, offering a balance of resolution and specimen clearance.

• 20x magnification for detailed imaging
• Numerical aperture 0.40 for higher resolution
• Working distance 5.1 mm for specimen clearance
• Documented use in education and life science

Sharp imaging where numerical aperture matters

The 20x optical element in this objective delivers a clear enlargement suited to inspection tasks and microscopy teaching. The 0.40 numerical aperture is the decisive optical parameter for resolving fine detail; a higher numerical aperture increases light-gathering ability and improves lateral resolution, which is beneficial when distinguishing small structures in stained specimens. As a result, the objective supports more reliable measurement and visual assessment in routine workflows. Where precise optics are required, the combination of 20x and 0.40 NA produces a notable improvement in image contrast compared with lower-NA mid-power lenses.

Practical working distance for everyday lab handling

A working distance of 5.1 mm provides sufficient clearance between the front lens and the sample for common slide-mounted preparations and thin coverslips, reducing the risk of accidental contact while allowing comfortable focussing during repeat inspections. This spacing helps protect both specimen and lens during classroom demonstrations and regular laboratory use, while keeping the optical path compact enough for typical bench-top microscopes. The moderate working distance also eases handling when using immersion media are not required, making the objective a pragmatic choice for many non-specialist applications.

Documented suitability for education and life science applications

Manufacturer documentation lists the objective specifically for education and life science contexts, indicating an emphasis on robustness and consistent performance in teaching and routine analytical environments. The optical specification is recorded in the supplier information (Education PDF S.25; Life Science PDF S.16,42), which supports procurement decisions where traceable documentation matters. For facilities seeking dependable mid-power optics, the iScope IS.8920 offers a measured combination of magnification, aperture and working distance that fits standard laboratory tasks without demanding specialised handling or consumables.

Practical advantages in daily microscopy work

The objective’s specification encourages predictable results across repeated observations, which is especially important in instructional settings and repetitive inspection processes. The defined optical parameters simplify comparisons between images and reduce variability introduced by switching to widely different objectives. When clear, reproducible images are required for documentation or basic image analysis, the balanced optical design contributes to workflow efficiency and reduces the need for additional corrective steps.

For procurement and specific application advice relating to the Euromex iScope IS.8920, please contact Metav Werkzeuge—experienced specialists based in Emmerich who can confirm suitability and availability for the intended laboratory use

Technical data

• Article number: IS.8920
• Manufacturer: Euromex
• Product type: Microscope objective
• Model series: iScope

Facts

• Magnification: 20x
• Numerical aperture: 0.40
• Working distance: 5.1 mm

Special features

• 20x/0.40 IOS PLPHi objective
• WD 5.1 mm
• Documented for education and life science use
• Source: Education PDF S.25; Life Science PDF S.16,42

FAQ

What magnification and resolution does this objective provide?
The iScope IS.8920 is specified as a 20x microscope objective with a 0.40 numerical aperture, which supports improved resolution and light collection compared with lower-NA mid-power lenses.

Is the working distance sufficient for standard slide work?
Yes; the 5.1 mm working distance of the Euromex IS.8920 gives practical clearance for most cover‑slip preparations and routine specimen handling without compromising optical performance.

For which applications is this objective documented?
Manufacturer documentation identifies the objective for education and life science applications, making it suitable for teaching laboratories and standard life science inspections.

How does numerical aperture affect image quality in practice?
A higher numerical aperture, such as 0.40, increases the lens’s light-gathering ability and lateral resolution, which helps to resolve finer details in stained or contrast-enhanced specimens when using the iScope IS.8920.

Are there special maintenance requirements for this objective?
Normal care for optical lenses is appropriate: keep the front element clean, use lens tissue and approved cleaning fluid, and avoid contact with specimens to protect the objective’s optical surfaces.

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