AmScope 100X (Oil) Darkfield Microscope Plan Objective w/ Iris

Product information for AmScope 100X (Oil) Darkfield Microscope Plan Objective w/ Iris

This is a 100X dark-field objective lens for biological DIN-standard microscopes. Standard bright-field objective lenses present low contrast due to their high numerical apertures. This lens' built-in iris provides control over the aperture, varying between 0.31 and 1.25. This allows for the intensity of the dark-field contrast to be easily adjusted. Compatibility Optical System Finite Mechanical Tube Length 160mm Mounting Thread RMS 20.32mm Parfocal Distance 45mm Lens Specifications Magnification 100X Numerical Aperture 0.31 to 1.25 Corrections Plan-achromatic Cover-glass Thickness 0.17mm Nosecone Spring Immersion Medium Oil