Frontglass holder

Frontglass, you may want to clean it, if you have disassembled it

Lens with spring. This is used to give you a sharp view into the viewfinder. The small nib is pushed in different positions by the small dial on the case to adjust the focus for your eyes

Monitor, a very small monitor. Looks much like the image sensor.

Proximity sensor for detecting your eye and therefore switching to the viewfinder.

PCB with 2 unidentified ICs (659L and 3232 615)

Backcover