I used to only shoot full Manual until a friend of mine turned me onto aperature priority. I do not want this thread to turn into a debate onto which one is better, but sometimes it's just convienent using Av.
Anyways my camera would meter just fine when using Av, but after about 1 1/2 hours of shooting inside with bright white lighting and white walls it stopped metering properly in Av. The camera started making the shutter speed too fast, so all of my pics came out dark. Now the only time I can get properly exposed shots is using Tv and M.
Just wondering if anyone else had a problem like this.

