When we do an AutoFocus Micro Adjustment session, the general opinion is to set the focusing target at 25 x focal length (or somewhere in the range of 5-50 x focal length). Why is so? What happens if ...
Having just bought a Nikon D800, i decided to have a play with the 50mm 1.4G on it. I noteced it was back-focusing by about 2cm so tweeked the AF fine-tune. however thats now maxed out at -20 and its ...
I currently have the 18-200mm kit lens for my canon 60D. I am thinking of getting the 10-22mm wide angle lens as a second lens. So far with my kit lens I havent experienced any focusing problems or ...