Daniel Zaleski @Satoshi , you have to activate ISO expansion in the Custom functions => C.Fn I: Exposure => 3. ISO Expansion. It is not better than ISO 100 (ISO 100 is native ISO and 50 is just digitally "slowed down"). I didn't have all my ND filters with me, only ND6x and therefore I have resorted to slightly higher aperture and lower ISO, the light was changing pretty fast... On the other hand I am a great fan of Magic Lantern .... but that's another story ;)
Magda Korzewska Great pic. I am wondering why car is driving on the left side of the road?
Daniel Zaleski @magda : you're curious and insightful :). The explanation is quite simple - there is only one lane and the sidewalk. The cars have to drive carefully, there are only few bypassing spaces.
Magda Korzewska Now it's clear. Thx for explanation. :)
Satoshi T you use ISO 50, I can not set such a low value for my 5DmkII. I use old firmware?