mirror mechanism

Hello. I bought Zenit E in really good shape. Everything is smooth and shutter works correctly. But few days ago, Bulb mode stopped working. Shutter works correctly, it stays open when I lock the shutter release button. But mirror doesn’t lock up. I’ve opened the Mirror mechanism cover and...

Hi! I took a photo with my Yashica Quartz FX-D and the mirror never came down. The wind on lever is stuck and won't move forward and although I can push the capture button down, no picture is taken. The mirror is definitely not stuck up because it's gummy, I took it to the repair shop and...