My Nikon d5100 camer athat I have had for a year is doing something funny!
  In the middle of the picture there is a white line and now has gotten worse and every second photo I take is black (there is a bit of colour at the bottom)
  What is it! Shutter problems? Mirror?
  Let me know!
  Read more: 
WHATS IS HAPPENING TO MY NIKON DSLR? V?