... configuration has 5 wave bands, and B,G,BV,V,U can be switched, and meanwhile, the conventional transmission ... increased the fluorescent intensity.Specification SpecificationViewing Head Compensation Free Binocular Head Inclined at 30°(50mm-75mm)Eyepiece WF10×/22mmObjective ... display mercury lamp constant powerFluorescent Box G,B,BV,V,U Wave BandOptional Accessory Eyepiece: WF16×/17mm,WF20×/12 ...