Stereo microscope model MZST40L is a robust microscopes that is distinguished by its ease of operation and excellent mechanical and optical quality. It can be used in numerous applications within the fields of biology and geology. Simply by rotating the objective from the 2x setting to 4x, the overall magnification can be set to 20x or 40x. With the aid of accessories, a magnification of up to 80x can be achieved. There is a choice of two illumination sources: plain reflected illumination plus reflected and transmitted light and a mixture of the two. Power is supplied to the LED illumination via rechargeable batteries, so that the microscope can also be used without a mains connection.