�Align the difference in level of the key barrel with that of the rolling barrel, to incorporate together. �Turn the key barrel in the direction indicated by the arrow, to align the grooves of the key barrel and rolling barrel.
1st group lens frame
1st group lens frame
�Align the 3 projection parts of the 1st group lens frame with the grooves of the key barrel (at the circled position), to assemble and push them.�
Key barrel
Shutter
Shutter
�Align the 3 projection parts of the shutter with the grooves of the key barrel (at the circled position), to assemble and push them.
