Canon Community

hello everyone My problem is whenever I shoot in low light and I try to crank a little bit iso I get Many vertical lines on my camera Plz help me 

Well I have canon EOS 6d and firmware 1:1:9 something like this Problem is that when I start using  burst mode or click images quickly using viewfinder after 2-3 pics it starts showing busy and then error and then card[2]Then stop clicking pictures a...