This image is removal of top cover. It is easy to remove the top cover.

This is the winding mechanism. there were only two gear wheel. Reducing of gear wheel was saving a cost and space. The first gear wheel was used for shutter charge. And 2nd gear wheel was used for turn the winding spool. The rear winding knob was directoly mounted on the advance spool.

This is the finder and ammeter unit. Ammeter was equipped for receive an electric current from selenium meter. Then needle of ammeter is opetate. The movement of needle was senced by the stepped cum operated by the shutter release button.

This is the lens and shutter unit. The Olympus shutter was built in the lens and selenium meter.

The body construction was heavy duty. You can see the bario shutter in the body.

This is the stepped cum operated by the shutter button. Each step was adapted to the apature. If the light value is too low. The red warning flag will appear in the finder and the shutter will be locked.