Manual Lensometer Corona Dot Single Target Lensometer Equipment which offers simple and easy scale reading system for checking the sphere, cylinder, or axis of a lens. This is ideal for determining the power of an existing prescription lens to assure it's right prescription. Our range of lensometers find applications in ophthalmic surgical treatments and are widely used in government hospitals, private nursing homes and clinics. Specifications: Type Direct Scale Reading System Target Corona Dot Single Target Vertex Power Scale 0 to +/- 20 diopter Graduation 0.25 D up to +/- 20 D Prism Diopter Scale 0 to 5 Prism Diopter, 1 Graduation Protractor Scale 0 degree - 180 – 0 5 Graduation on main scale Holding Capacity 30mm to 80mm dial meter lenses Tilt Angle 0 to 90 adjustable Dimension 300(L) * 150(W) * 200(H) mm Weight 2.5kg (approx.) Power Source 2*1.5 V AA size dry cell (or) 220 volt AC supply Illumination 2.3 Volt |