I am somewhat of a newbee to photography, but I have a Sigma EM-140 Ring Flash with a 18-250mm Sigma lens. In short, when I use the camera with the ring flash I can't get it to take photos that ...
When using my D7000 I often have the feeling that it overexposes by 1/3 or even more, on the P programme - it also depends on the lens. Is it just me? Or am I doing something wrong? EDIT: Exposure ...