Please forgive my ignorance, I've only been getting into 35mm photography for a few months now, still very much learning.
I recently won an Olympus mju ii zoom 80 on eBay and shot a test roll, ISO 200 film on a bright morning. Almost all of my shots came back with a sort of broken ring of light, as shown in the pics below. Any idea what might be the cause and what I could do to remedy it?
If you look at the barrel mechanism from the back, you will see that it is not symmetrical to the film. The barrel mechanism is located exactly in the same asymmetric way as the halo related to the image/film edges.
Open the back with your lens still extracted and in a dark room shine with a flashlight around the barrel and look into the film chamber the same time.