problems

Does anybody know why these lines popped up? Its arista edu ultra 100 and those lines I can feel them with my fingers if that helps.

Hello I've had my pentex k1000 for quite some time. My dad bought it for me for me. We bought it from a man at a flea market he said all we needed was a flash. I was under the that I could still use the camera in full light situations I've tried multiple times. All my pictures came out blurry...

I developed some photos from my old analogue camera (Zenith) that I haven't used in few years. There are some strange dots on each (particularly on lighter background) - I was wondering what was this caused by? Is it because of an old film I used (I used a few years old film to get the specific...