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Olympus MPlan 20x BD brightfield/darkfield metallurgical objective, 0.40 NA, infinity-corrected, M26 thread.
The Olympus MPlan 20x BD microscope objective lens is designed for use with metallurgical microscopes in brightfield and darkfield illumination. Featuring a numerical aperture (NA) of 0.40 and an infinity-corrected optical system compatible with standard 0 optical tube length, this M26 threaded objective (Part No. 1-UN225) ensures high-resolution imaging with precise contrast enhancement. The lens optics are maintained in good condition with a functional spring mechanism facilitating smooth mounting and alignment. This objective is essential for metallurgical analysis, materials science research, and biomedical engineering applications requiring detailed surface and structural imaging. Its brightfield and darkfield modalities make it widely suited for fluorescence analysis and synthetic biology workflows where contrast differentiation is critical. Compatible with various Olympus microscopes, it supports advanced optical investigations important for biopharmaceutical production pipelines and molecular diagnostics development.
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With a service contract, ten to fifteen years is normal for most benchtop instruments. Detectors and pumps are the parts that wear first.
Often, yes. Verified suppliers frequently work with service partners converting the instrument. If applicable, we can list servicing options alongside the offer.
Ask a scientist through the request button. Parts are often available even when the instrument itself is discontinued.
Two to six weeks, depending on refurbishment scope and whether calibration is included.
We ship to 38 countries. Crating and customs handling are quoted with the instrument.
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Last updated 3 November 2026
€1,152 sits in the middle range microscopes here. The middle half of the 2,839 with a price runs from €622 to €4,541.
