Observation mode: Brightfield. Head: Binocular head, 45° inclined. Interpupillary distance: Adjustable. Dioptric adjustment: On both eyepieces. Eyepieces: WF 10x/20 mm, secured by screw. Objective: Achromatic 1x-3x with anti-fungus treatment. Stand: Fixed stand with focus and handle. Focusing: Rack and pinion controlled by a pair of knobs placed on both sides of the stand. Illumination: Incident: 1W LED, transmitted: 1W LED. Touch brightness control. With rechargeable batteries. Color temperature: 6,300 K.