Carl Zeiss Inc. has unveiled the Stemi DV4 stereomicroscope. This double-lens vario with a zoom factor of four comes with transmitted and reflected light illumination and provides high contrast images throughout the 8 to 32x zoom range. Accessory interfaces such as stands, mounting brackets, stages and illuminators enable various configurations and applications. Other accessories include a dark-field transmitted light attachment and a reticule for direct measurement throughout the zoom range. Auxiliary lens systems are available to expand the capability from 2.4 to 65x.