Pentax ME 35mm SLR Film Camera with Asahi 50 mm F/1.7 Lens Bundle New Film Case from Japan. Tested and works. New battery.

The Black knob on top doesn't turn. The knob, is labeled L, Auto, 100x, B. See pictures for details.

When looking at the viewfinder, I see like a black something blocking the viewer, but when I look in the viewfinder, it's gone. See last 2 pictures.