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Supposedly you can mess with that and you wont get those little exposure shifts.

seems like you're right! just tested it with visionLOG and the curves in ACR. guess that's what i'll work with from now on 

thanks a lot, i'll make tests with the vision log now!

also thanks for the iso issue, i knew that those in-between iso steps were pushes/pulls but i thought ML RAW would get that and it would still be the better decision to use those instead 100,200, 400 etc.

thanks for this very quick answer!

the auto iso was never on so that's probably not the reason.

for ACR, yes i'm using it and i was also using those sliders (though i always tried not to exaggerate in using them, i know it can look ugly quite fast).
i suppose this is the canon a log profile by vision color that you were talking about http://vision-color.com/get-your-vision-picture-style/ ? looks interesting.
with the curves tool, you mean the curves tool within after effects? so i should just import the RAW sequence without any changes about highlights/shadows/blacks/whites and then go on with the curves tool to avoid those weird light shifts? can i still make changes on the other sliders?

for iso in steps 160, 320, 640 etc that's what i first learned to be best, well.. back then i was only shooting h.264 (but if i understand correctly, you're not saying this has anything to do with the exposure changing in my shots). thanks for that information, too.

first of all: thanks for ML, i've been using it for a while now, also on other cameras and it's just great!

let's get to the problem:

i don't really know where it comes from and unfortunately i couldn't find anything on this (i'm sorry if i missed something but i searched for quite a while... please tell me if it has already been discussed) but here's the problem: sometimes my 5dm3 switches the exposure of the picture. it only occurs when shooting raw, here's 2 examples - the quality is shit but you'll see it anyway: https://www.dropbox.com/s/p96ongfbw0cgw1q/5dmark3_problem.mp4

first i thought it would only occur when the general lighting situation in the frame changes but in the second example you can see that the problem even occurs when the lighting situation within the frame doesn't change.

i'd really be happy if anyone could help me out with that. thanks!