Check the listing for details. Bristolscope Bristoline monocular microscope WF10X 4x 10x 40x objectives shown. Condition: Used. Listed at 149.99 USD. Bristolscope Bristoline monocular compound microscope with built‑in illumination and three objectives. Includes a WF10X/18 eyepiece and 3-position nosepiece with 4x/0.10 NA (160/–), 10x/0.25 NA (160/0.17), and 40x/0.65 NA (160/0.17) objectives. Angled monocular head, spring clip stage, substage diaphragm, coarse focus control, on/off rocker switch with variable light intensity dial, and 120 VAC power cord (US plug). Approx. size: about 13 in tall; base roughly 11 x 6 in. Weight about 8–9 lb. Condition note: From a closing medical facility. Untested but presumed to be working well. Cosmetically shows normal use with scuffs/finish wear (see eyepiece). Only items shown are included. Great for classroom, lab bench, or hobby.