The photos I have taken with Canon EOS Rebel T5i has lines at the edges between individual fruits. The colors of these lines range from grey to black. I have attached two versions of the same photo, one at 100% and the other at 200%. The lines are visible in both.
Details of the photo:
Camera: Canon EOS Rebel T5i Exposure time: 1/25 sec F-stop: 6.3 Shutter speed: 1/25 sec Focal length: 32 mm