Warranty: 6 months Taglines: Features: Type: Baush and lomb Objective: Achromatic Eye piece: 15x Diopter adjusting scale: 7d Corneal radius of curvature: 6.4 - 9.5mm (0.5mm steps) Corneal refractive power: 52-36d (0.25d steps) Axis of corneal astigmation: 0-180 degree(5 steps) System: External readind system Illumination: 15w bulb Head and chin rest: Adjustable with occluder Weight: 12 kg