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. Ergonomical shape. The instrument fits the orbita comfortably. Soft orbital rest. Steadies the instrument and protects your glasses. Choice of 5 apertures. For both large and small pupils. Choice of fixation star or cobalt blue filter for corneal examination. Dust-resistant housing. Maintenance-free. High-impact polycarbonate housing for durability.