Keratometer - Javal

18x Eye Pieces with Adjustable Diopetric Power of +/- 6 Diopters.Measuring Range: Diopteric Power 30.0 to 60.0 Diopters in 0.25 Deg Steps Radius of Curbature 5.6 Mm to 11.2 Mm in 0.05 Mm Steps.Axis of Corneal Astigmatism is 0 to 180 Deg in 5 Deg Steps.Precision Achromatic Objectives Lens.220 V –240 V – 50 Hz Electric Supply.Illumination: 6 Watts Transformer.Base : Co- Axial with Joystick Control.lateral Movement 100 Mm Right to Left, B/f Movement 120 Mm, Five Movements 20 mm Up to Down, Chin Rest 80 mm Up and Down Movement.