AmScope PH100X Finite Phase Contrast Objective Lense with 100X Magnification and 160mm Tube

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This is a 100X achromatic phase-contrast objective lens for DIN-standard microscopes. An integrated phase-ring enhances contrast of invisible details when used with a compatible co ndenser and phase annulus. As light passes through a specimen with varying refractive indicies, otherwise invisible details can be imaged by manipulating the phase of light. Intended primarily for biological applications, this lens is designed to work with microscopes using 160mm tube-length and 45mm parfocal distance. The lens has a large numerical aperture for high-resolution images, and must be used with immersion oil to function correctly. Achromatic correction provides improved color accuracy and resolution. The sealed, spring-loaded nosecone helps to prevent impact damage to slides and the lens. Compatibility Optical System Finite Mechanical Tube Length 160mm Mounting Thread RMS 20.32mm Parfocal Distance 45mm Lens Specifications Magnification 100X Numerical Aperture 1.25 Corrections achromatic Cover-glass Thickness 0.17mm Additional Features phase ring Nosecone spring Immersion Medium oil Show more