A popular microscope used for both clinical and research applications is now available with LED illumination.

The Leica (Wetzlar, Germany) DM2500 and DM2500 LED microscopes represent a class of tools for demanding tasks in life science routine and research applications. With their powerful transmitted light illumination, high-quality optical performance, and state-of-the-art accessories, the Leica DM2500 and DM2500 LED are especially well-suited for challenging life science research tasks that require differential interference contrast or high-performance fluorescence.

The difference between the two microscopes is their illumination: The Leica DM2500 LED is equipped with LED illumination for transmitted light, whereas the Leica DM2500 works with halogen. Both types of illumination render a realistic impression of the colors of the sample, so that users in clinical applications, such as the frequently used HE specimen staining, are able to assess the colors of their samples accurately. With the launch of the Leica DM2500 LED, Leica Microsystems has completed its Leica DM1000 to 3000 series of microscopes. All the models in this series are now available with LED illumination. The microscopes are certified for in vitro diagnostics (IVD) use.

The ultra-bright LED illumination of the newly released Leica DM2500 LED offers a constant color temperature at all light intensities, enabling particularly fine differentiation of colors in stained specimens. Users benefit from the brightness and color accuracy of the LED illumination in all other transmitted light contrasting techniques, such as brightfield, polarized light, and darkfield. LEDs offer the general advantages of no sample heating, low energy consumption, and long life time.

"The specially-developed LED illumination makes the Leica DM2500 LED an ideal microscope for challenging experiments requiring different contrasting techniques and for users who prefer a manual instrument," said Dr. Jasna Gilbert, product manager at Leica Microsystems. "The Leica DM2500 LED has now completed our DM1000 to 3000 series. All the models are available with either LED or halogen illumination. Besides the new illumination, the Leica DM2500 LED offers all the other benefits of the microscope series such as the unique ergonomics design for user comfort and convenience."

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