Neewer Macro TTL Ring Flash Light with AF Assist Lamp for Canon E-TTL TTL Cameras / such as Canon EOS 5D Mark II EOS 6D EOS 7D EOS 70D EOS 60D EOS 60Da EOS 700D 650D 600D 400D 350D 300D 100D 1000D 1100D Rebel T5i T4i T3i Xti XT SL1 XS T3 Type: Close-up Guide No.: 14/46(ISO100, in meter/ft.) Effective Distance: Approx. 20cm-5m Color temperature: 5500K Flash coverage: 80 degrees in either direction