KaWe Piccolight E50 Opthalmoscope - Blue The ophthalmoscope for the coat pocket: small, easy and exact. A high capacity vacuum lamp ensures excellent illumination of the eye fundus and its modern design and colours make it a must have item. • 2.5V vacuum bulb • Aspherical precision optics • +20 to -20D correction lens wheel • Large circle aperture • Battery handle requires AA batteries (not included) • Supplied in a cloth bag.