AmScope T680B-DKO-IRIS 40X-2000X Advanced Professional Biological Research Kohler Darkfield Compound Microscope

This is a brand new professional trinocular compound microscope that offers research grade performance and advanced features. It comes with five high quality objectives (4X, 10X, 20X, 40X, 100X), a Koehler illumination system, a 30 degree inclined 360 degree rotatable compensation-free trinocular head, and 3-D mechanical stage. It is an ideal instrument for advanced researches. This microscope is made by the same technicians and on the same production line as optical instruments for Leica, Zeiss, Nikon and Olympus. Its retail value is above $3,200.

Along with the brightfield condenser, this model also includes a high-NA oil-immersion darkfield condenser. Both the variable-aperture lamp and the darkfield condenser are centerable, allowing for real fine-tuning of the field. The 1.36 - 1.25 NA of the darkfield condenser allows for better light-transmission with higher-NA objectives to provide increased resolution.

The included Plan 100X objective lens with built-in iris allows you to vary the effective aperture during darkfield observation, for fine-tuning the field's darkness.