Request InfoSiskiyou Corp.Siskiyou’s gradient contrast illuminator, mounted in lieu of OEM condenser in infinity-corrected microscopes, provides contrast enhancement such as that achieved by DIC, phase contrast and other contrast-enhancement methods. The IS-GCI is rotated in OEM condenser mount until contrast is maximized. It doesn’t attenuate as much light as typical contrast methods, providing more light and superior contrast for high-magnification contrast imaging. 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