OTOSCOPE : 2.7 / 0° / 110 mm 2.7 / 0°/ 90 mm 4.0 / 0°/ 50mm SINUSCOPE : 4.0 / 70°/ 175mm 4.0 / 30°/ 175 mm 2.7 / 0°/ 175 mm 2.7 / 30°/ 175 mm LARYMGOSCOPE 6.0 / 70° / 85 mm 8.0 / 90° / 85 mm