... and anti-reflection.·Equipped with Trihedron lens ,Gonioscope,Funduscope.·Three-step magnifications for eyepiece are optional:10x,16x,25.5x.For ... basic type.YZ5Eis equipped with double-teaching tube. SpecificationsTypeConverging stereoscopeMagnificationsTwo-step magnificationsEyepiece10x,16xMagnification Ratio(Field of View)10x(φ18),16x(φ14 ...