Fibre-optic wave conductor for optimum light beam and transmission of light. Provides cool examination light similar to daylight. Features a removable swiveling lens with 2.5x magnification. Screw adjuster can be turned or pressed down for a slow or quick expansion of the speculum. Bayonet fitting head for secure and quick attachment of the handle. Impact-resistant casing made of fibre-glass reinforced plastic. Bulbs can be replaced simply at the base of the instrument.