... 5 wave bands, and B,G,BV,V,U can be switched, and meanwhile, the conventional transmission ... of the file-band G,B,BV,V,U,flexible and soft and accurate positioning and ensure ... ×50mmCondenser N.A.1.25 Abbe condenser with iris diaphragm and filtersFocusing Coaxial coarse and fine focusing adjustment ... lamp constant powerFluorescent Box G,B,BV,V,U Wave BandOptional Accessory Eyepiece: WF16×/17mm,WF20×/12 ...