YZ5E with excellent performance and high quality is found very popular in the market Characteristics:·Advanced converging stereoscopic microscope.·Clearer optical image and broader field of view.·Optical lens are all moistureproof, mildewproof and anti-reflection.·Equipped with Trihedron lens ,Gonioscope,Funduscope.·Three-step magnifications for eyepiece are optional:10x,16x,25.5x.For free: ...