The OM2330S-V6 combines our most popular industrial microscope head (2300S) with the heavyweight, dual arm V6 boom stand that weighs in at over 60lbs.. Crisp optics meets stability. The 2300S is an upgraded 7x-45x microscope but with no increase in price and offers 7x-45x zoom magnification. The V6 is dual arm with a counter-weight for balance. As with most Omano boom stands, a hanging bar is included that enables more flexible viewing positions. The OM2300S zoom stereo microscope head has become our de facto, 'Go To' head for our industrial inspection customers. Upgraded in 2010, but with no increase in price, the 2300S provides a solid design with crisp, clean optics. The 7X-45X zoom range (6.4:1) is parfocal with dual diopters integrated into the oculars. Interpupillay adjustment range is 55mm-75mm. Standard working distance is 4.5" which increases to 6.5" with the addition of 0.5x auxiliary barlow lens.Lifetime Limited Warranty. Accessories include LED ring light, focus block, dust cover, manual, eyeguards.