Standard direct ophthalmoscope. A full featured instrument at an economical price. Precision spherical HEINE optics. Corneal and iris reflexes are eliminated. XHL Xenon Halogen Technology. Bright, white light. Clear retinal image. Range of lenses: 27 lenses from -35 D to +40 D. Brilliant image even at high corrections.-+ in 1 D steps: 1 – 10 15 20 40 D-– in 1 D steps: 1 – 10 15 20 25 35 D-Ergonomical shape. The instrument fits the orbita comfortably. Soft orbital rest. Steadies the instrument and protects your glasses. Dust-resistant housing. Maintenance-free. High-impact polycarbonate housing for durability.