The Seiler 985 Anoscope (#30985-OTSLED-A) is the premier over the shoulder model from Seiler. The mount is set up higher to remove any obstructions from the user's field. It is equipped with a five step magnification turret, 300 mm working distance, and standard LED illumination. Warranty: Lifetime - Optics and Mechanics. Specifications Seiler 985 Anoscope Specifications Objective Lens: 300 mm Working Distance, offering 3, 4, 7, 11, and 17x magnification. Additional magnification/objective lens combinations are available. Widefield 12.5x eyepieces with diopter locks and fold-down rubber eyecups. Straight binocular head (Optional: fixed inclined, inclinable). LED illumination system. Green filter in selector knob. Height from Floor to Objective Lens: Maximum: 54". Minimum: 32". Overall Distance from the Column to the Objective Lens: 33". Literature Seiler 985 Anoscope Literature Seiler Medical Products Catalog Seiler Colposcopes Specification Sheet Seiler Colposcope 985 User's Manual