This high quality microscope is guaranteed for years of service, and will last through biology and beyond! It's built to exceed school teaching requirements and is filled with required and popular features.
The optical system has DIN widefield parafocal, achromatic, color-coded 4x, 10x, and 40x magnification settings. The illuminator base has a 115V 20watt bulb, heavy cord and switch; it has both fine and coarse focus knobs. Stage is 110mm x 120mm, acid & reagent resistant, with a built in condensor lens and 5 hold disc diaphragm; stage clips are locked on and spring mounted. Overall, microscope is 13 3/4" high; base is 5" x 7 1/2". Weighs 7 lbs and comes with a Lifetime Limited Warranty from National Optical. This rugged, high quality scope is deservedly popular.