Izaura89 wrote: …It's very strange.
Agreed. But you didn't say if this only appears on pictures made with your camera. It could be a problem with the display, with the camera sensor, or with a lens. Or, less likely, something else. The first three things means it has to go back to Apple, but it would be could to let them know which.
So, do the dots show up on a web site or something not made with your camera? Do the dots show up if you set the camera to different lenses, like 0.5x, 1x, 2x ?
I agree that Keith Barkley's suggestion of laser damage is quite possible.