Since a week or so, I have severe diagonal stripes around light-sources in my night-time photographs on my Canon Powershot A650. In the past, I had some (I guess due to Fraunhofer diffraction, see ...
I used a tripod and remote shutter release. ISO:1600, F/3.5, Exp 46". I expected the flare and halo, but the ghosted spheres surprised me. Can you tell me what caused this and how to adjusting my ...