Request InfoCarl Zeiss Microscopy LLCThe Stemi DV4 stereomicroscope from Carl Zeiss Jena GmbH has a zoom system with magnification ranging from 8x to 32x. A fiber optic illuminator is integrated into the front of the lens system, providing constant illumination of the object field in industrial assembly, testing and measuring applications. The company says users can switch among reflected, transmitted or mixed light at the press of a button. 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