Keratometer,Ophthalmic equipment (JM-1)

Keratometer 1.Excellent optical system 2.Easy operation 3.Huigh quality

Keratometer(JM-1)

Excellent optical system, easy operation, high quality at basis of reasonable price Main optical lens were made of imported material, to assure high clearance and brightness All lens has anti-reflecting, moisture-proof, and mildew-proof coating to assure perfect optical quality under long time useKeratometer JM-1 Specification Table Parts Name Specification JM-1 Dimension of Surveyor's Staff 18mm× 24mm Distance of Surveyor's Staff and Cornea 175mm Total Magnification 18X Objective Magnification 1.2X Eyepieces WF15X Widefield eyepieces WF15X, Field number φ 13mm Curvature radius 5.5-11mm Diopter 30-60D Least Graduate radius: 0.02mm, diopter: 0.25D Refractive Index 1.3375 Least Diameter of Measure r=5.5mm: φ 1.65mm, r=7.5mm: φ 2.3mm, r=11mm: φ 4 Astigmatism graduate range 0-180° Astigmatism graduate alternation 5° Illumination Bulb 6V/20W, Halogen bulb Input Voltage AC 220V/50Hz(or AC 110V/60Hz) Range of Rise or Drop of Slipway 0-30mm Move Range of Slipway Left and right: 100mm, Front and back: 90mm Fluctuate Move Range of Jaw Part 50mm Difference of LYQ and LYQ-S model LYQ-S cornea curvature without work table

Keratometer,Ophthalmic equipment (JM-1)