The fourth generation of WPI’s precision stereo zoom microscopes uses modular, two parallel beam path design and high quality optical system. The advanced optical design with planachromatic objectives provides sharp and distortion-free contrast image throughout the entire zoom range and comes with an impressive 5-year warranty. The PZMIV is available in a binocular or trinocular version. In addition, an extensive list of optional accessories is available that makes the PZMIV suitable for integrated optical and biological research. The microscope comes with a track stand, standard 10x eyepieces (wide-field, distortion-free and high eye point), 1x planachromatic distortion-free objective.