... light 1. Uniformity Light, Non-flicker & Shadow 2. Intensity Adjustment, Four-zone Ligh led ring lightApplications Stereo microscaopes and machine ... Metal Shell, ESD and Insulativity Reasonable Design, Uniformity Light, Non-flicker & Shadow Intensity Adjustment, Good Variable ... 58mm,Outer Diameter: 98mm Standard Configuration 72LED Lamp, Light Control Box, DC12V Power Supply, Adaptor Soft-filter ...