I recently picked up this EOS-1V from a local photographer/friend. He said he hasn't used it in years and wasn't sure of it's condition. I put a roll of BW400CN through it and noticed some of the frames had an odd line on the side. I had these developed and scanned at a local lab and the line is visible on the negatives so it wasn't introduced during scanning. My only guess is this is happening during faster shutter speeds or a problem with the film.
In the past week I've ran another roll of BW400CN as well as a roll of Portra 400. I just dropped those two rolls off to a different lab to get developed and scanned for comparison. The only differences since the original roll was I've installed a PB-E2 power booster grip.
Any idea of whats going on?
Here are some shots that dont have the line...
Lenses: 50mm f/1.2L or 50mm f/1.8