ST8050 Series Stereo Zoom Microscope is fully coated optical system with super high resolution. It offers sharp clear images with extremely great flatness and contrast. Once brought in focus, image remains clear and sharp throughout the whole zoom range. It comes with super wide-field high-eyepoint eyepieces. The flat field parfocal zoom objectives provide continuously variable magnification from 4X to 300X with optional eyepieces and auxiliary lenses. It’s an ideal instrument for those who require precision-oriented observation.