Check the listing for details. Autorefractor Keratometer ARK 9100. Condition: New. Listed at 4200.00 USD. ARK 9100 Autorefractor Keratometer Fast, accurate and reliable measurements Refractive and keratometric measurements through pupils as small as 2mm Single control knob for ease of operation and a convenient user menu Auto alignment and auto measurements Built-in micro processor for quick processing Tilt screen Thermal Printer with auto cut feature Motorized chinrest AUTO-REFRACTOR Measuring Range: Spherical -20~+20D(VD=12, 0.12D/25Dsteps) Cylinder -10~+10D(0.12D/25Dsteps) Axis 1~180(1° Steps) Pupil Distance 30~85mm(1mm steps) Vertex Distance 0mm, 12mm, 13.75mm, 15mm Auto Tracking Function Range ± 16mm(up and down direction only) Min. Pupil Size 2.0mm Chart Auto fog Display 5.7 '' TFT LCD Thermal Printer Power saving and screen saving mode AUTO-KERATOMETER Radius of Curvature 5.0~10mm(Increments: 0.01mm) Corneal Power 33.00~67.50D(when corner equivalent Refractive index is 1.337; 0.05/0.12/0.25D unit) (Increments selectable from 0.12, 0.25D) Corneal astigmatism 0.0~-15.00D (Increments selectable from 0.12, 0.25D) Axis 1~180° (Increments: 1° ) Corneal Diameter 2.0~12.0mm(Increments: 0.1mm) Memory of Data 10 measured value for each right and left eye At Ophthalmech, Inc. we strive to meet our clients highest standards by placing integrity at the center of our corporation. We understand the importance of quality patient care at an affordable price. Feel free to visit us at Ophthalmech for discounted prices, no taxes, free shipping and additional products.