XSZ-E30 series biological microscope •Infinity color corrected optical system with high quality micro-technique presents superexcellent micro-image at any observation. •Wide-field high eye-point eyepieces and plan achromatic objectives make the effect of fluorescence observation more perfect. •Outstanding appearance design and ergonomics structure design, long time use without feeling tired. •With the design of security lock and safe limits, it is much more secure, stable. And can be kept for long. •Various microscopic examinations can be fulfilled, such as bright-field, dark-field, phase contrast, fluorescence, simple polarizing and so on.