AmScope DK-DRY800 Dry Immersion Darkfield Condenser for Compound Microscope with NA 0.7 to 0.9 and 800 Class

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The darkfield condenser allows you to render detail in specimens that would otherwise be transparent. Using principles of light-diffraction to suppress field-illumination, the cond enser illuminates edges of cells, microorganisms, and other objects. This is particularly useful for live blood analysis. This is a darkfield condenser designed for dry use with lower magnifications. The 0.9 maximum numerical aperture will accommodate lower-magnification objective lenses with numerical apertures up to 0.9. However, it is recommended to use objective lenses with numeical apertures below 0.7 for true darkfield. For magnifications above 40X, it is recommended to use the oil condenser. Condenser Compatibility Condenser Mount front mount Model Compatibility B800, T800, T800-FLLED Condenser Specifications Numerical Aperture 0.7-0.9 Immersion Medium none Centerable Optics No Show more