100x Oil Immersion Objective NA 1.25 WD 0.195 mm, EcoBlue - Euromex

High‑magnification oil‑immersion performance paired with a high numerical aperture ensures fine structural detail at full power; the very short working distance of 0.195 mm signals intended immersion use and maximised resolution. Order the EcoBlue EC.7000 via Metav Werkzeuge or contact the consultants for optical matching and delivery.

EcoBlue EC.7000 microscope objective — 100x oil immersion, NA 1.25 (Euromex)

The EcoBlue EC.7000 is a 100x oil‑immersion microscope objective engineered for high‑resolution imaging where fine detail and contrast are critical in laboratory and educational settings.

• 100x oil-immersion magnification
• High numerical aperture 1.25
• Working distance 0.195 mm

Maximum resolving power for demanding magnification tasks

The 100x oil‑immersion design delivers a clear increase in resolving power compared with dry objectives at similar magnifications. With a numerical aperture of 1.25, this optic gathers more light and improves contrast at the image plane, which is particularly advantageous for brightfield and high‑detail transmitted light applications. The combination of high NA and immersion technique reduces diffraction effects and allows for sharper delineation of sub‑cellular structures, making the objective suitable for demanding observation where image fidelity is essential.

Practical advantages for laboratory workflows

A short working distance (0.195 mm) indicates that the objective is optimised for oil‑immersion use to achieve its rated performance. In routine laboratory workflows this translates into improved detail without complex optical adjustments; the objective is ready for standard immersion protocols and integrates into common objective turrets. The reduced need for aggressive illumination compensation supports consistent imaging across multiple samples, helping to maintain throughput while preserving image quality.

Compatibility considerations and optical handling

The optic is specified as an S100x/1.25 oil‑immersion type and is compatible with standard brightfield microscope stands that accept 100x objectives. The high NA requires correct immersion oil application and careful condenser alignment to exploit the aperture fully; when these conditions are met, contrast and resolution are maximised. Users planning integration should verify mechanical thread and parfocal height against the microscope nosepiece; the objective’s lab‑grade specification makes it a reliable choice for education and research microscopes alike.

Maintenance, care and imaging tips

Correct care prolongs the service life and preserves optical performance: use high‑quality immersion oil, clean lens surfaces with approved solvents and lint‑free wipes, and store the objective in a dust‑free rack when not in use. Gentle handling during oil application and removal prevents lens damage and maintains the tight tolerances required for a numerical aperture of 1.25 optic. Periodic inspection under low magnification helps detect contamination early and supports reproducible imaging results.

For precise optical matching, technical advice and supply of Euromex optics, contact Metav Werkzeuge in Emmerich for competent consultation and reliable delivery from stock.

Technical data

• Article number: EC.7000
• SKU: EC.7000
• Brand: Euromex
• Series: EcoBlue
• Product type: microscope objective

Core data

• Magnification: 100x
• Numerical aperture: 1.25
• Working distance: 0.195 mm
• Objective type: oil immersion

Special features

• S100x/1.25 oil immersion objective
• Suitable for microscopes
• Source reference: Education PDF‑S. 9

FAQ

What immersion medium is required for optimal performance?
The EcoBlue EC.7000 (EC.7000) is an oil‑immersion objective and performs optimally with standard microscope immersion oil applied between the cover slip and lens.

Can the objective be used on any standard microscope nosepiece?
Compatibility depends on the mechanical thread and parfocal height of the microscope; the EC.7000 is designed for standard 100x objective fittings but mechanical verification is recommended before use.

What imaging improvements does a numerical aperture of 1.25 provide?
A numerical aperture of 1.25 increases light collection and resolution, yielding better contrast and finer detail compared with lower‑NA objectives when used with proper immersion technique.

Is the objective suitable for educational laboratories?
Yes. The EcoBlue series balances robust optical performance with handling suited to lab and educational environments, making the EC.7000 appropriate for teaching and routine research tasks.

How should the lens be cleaned after use with immersion oil?
Remove excess oil with lens tissue, clean with a small amount of approved solvent if necessary, and store the objective in a protective case; follow established optical maintenance protocols to avoid damage.

Manufacturer / Responsible: Schut Geometrische Meettechniek bv; Duinkerkenstraat 21; 9723 BN Groningen; The Netherlands; +31 50 5877877; schutnl@schut.com