... Adjustment, Four-zone Lighting Cont Microscope's LED Ring Light Applications Stereo microscaopes and machine vision systems to inspection ... Brightness 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 ...