Specially designed stereo microscopes for various educational applications and highly valued by biologists, entomologists, geologists, mechanical and electronic engineers, but also by professionals such as jewelers and dental technicians Choice between fixed 10x / 30x and 20x / 40x magnifications, models with rotating objective nosepiece and a zoom stereo microscope model with magnification from 7x to 45x. Standard secured wide field eyepieces WF 10x / 20 mm Lenses 2x and 4x objective revolver. Magnifications 20x and 40x and a field of view of 20 and 6.67 mm. Working distance 100 mm. Other magnifications and working distances can be achieved with wide field eyepieces WF 15x / 15 or WF 20x / 10 and 0.5x, 0.75x and 1.5x additional lenses Stand Ergonomically large column stand, ideal for hand.