NexiusZoom trinocular zoom stereo microscope NZ.1903-S The NexiusZoom stereo microscopes are highly valued in the fields of scientific research, by professional, industrial users and education, due to their excellent optical and mechanical properties and an attractive purchase price 45 ° inclined, 360 ° rotatable binocular and trinocular tubes Standard borrowed 10x wide field eyepieces with field number 22 Infinitely variable 0.67 to 4.5x zoom lens, parafocal over the entire zoom range and working distance 110 mm Optional additional lenses for magnifications from 3.3x to 90x Trinocular stereo head with 0.67 to 4.5 x objective WF 10x / 22 eyepieces in 45 ° inclined tube with +/- 5 diopter adjustment Metal ergonomic chrome-plated rack and Pinion tripod with tripod rod 280 mm, diameter 32 mm.