Meike FC-100 Macro Ring Flash Light with 7 Adapters + AF Macro Extension Red for Canon EOS DSLR cameras 1.A ring light with a canon lens extension is perfect for Canon cameras to take photos in dim light. 2.Meike FC-100 has Light mode,Flash mode,L mode(Left half of the annular flash),R mode,4 different lighting modes. 3.Equipped with 52mm, 55mm, 58mm,62mm, 67mm, 72mm 77mm adapters,compatible for lens in different size. 4.Auto Focus Macro Extension Tube for CANON EOS EF EF-S 1D X 60D 7D 6D 5D Mark III etc. 5.Three tube for canon AF lens extension: 13mm, 21mm, and 31 mm - which can be used individually or in any combination to obtain the desired magnification.