- With 2.7 V vacuum lamp, 2.5 V halogen lamp or 3.5 V xenon lamp. - Durable and sturdy metal head for long service life. - Plug-in connector for fast and secure attachment to handle. - Focussing wheel with corrective lenses from 0 to +20 or 0 to -20 diopters. - Aperture with large circle for examination of the fundus of the eye. - Simple exchange of the lamp at the base of the instrument head. |