Questions tagged [canon-5d-mark-ii]

I am unable to change the aperture in manual mode. The power switch is in the correct position but although the shutter speed changes, the aperture will not budge from 6.3. Any ideas what I might have inadvertently altered?

I have an event I will be shooting on December 1st, evening time, Christmas party being put on by a large corporate law firm, so it is quite incumbent that I get this right. I went and visited the location today; It is a rather large banquet room…

How do I set shutters speeds slower than 1/30 on canon 5d markII ? In the manual setting I cannot seem to scroll down slower than 1/30.