Meike MK-570 2.4Ghz Wireless sync Flash Speedlite for Canon EOS 5D Mark II III 7D 50D 60D 70D 600D 580EX II with free diffusor meike mk 570 2 4ghz wireless sync flash speedlite for canon eos 5d mark ii iii 6d 7d 50d 60d 70d 600d 580ex ii