- 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 dioptres.
- Aperture with large circle for examination of the fundus of the eye.
- Simple exchange of the lamp at the base of the instrument head.
- 2.7V Vacuum Light