The info can be found at
http://members.nbci.com/maitani_fan/om_concept.html
and further
http://members.nbci.com/maitani_fan/om_1.html
The text:
Shrinking the camera
By 1967, the design of a SLR was considered to be perfect.
It was deemed impossible to make a SLR smaller. Nevertheless,
in order to to tackle the problem, Maitani decided to go
back to the basic. Putting aside the general concept of a
camera construction, Maitani studied every function of a SLR
from a new view point and re-designed every structural element.
For example, the shutter speed ring is located on the lens mount.
In a conventional SLR,the shutter winding drum is placed near
the film winding lever axis, and the shutter speed dial is
placed on it. In an attempt to reduce the camera size, the
design team tried to make the shutter drum thiner. But the
thinner drum is not reliable enough. There is a tiny space
beneath the mirror box that is not utilized in a conventional
SLR. In the OM-1, the high speed shutter control section
which is normally located on the side of the viewfinder) is put
under the mirror box together with the low speed shutter control
section. As a result, the shutter speed ring is placed on the
lens mount. By slightly altering the layout of other mechanical
sections, and without any reduction in the size of the components,
it is possible to achieve a considerable gain in compactness.
Regards, Roger Key
> ...Somewhere in the OM Webring is the answer to Dirk's question regarding
> placement of the shutter speed ring - it had something to do with making
the
> OM body as small as possible...
>It's on the Unofficial Maitani site I think.
>Keith Berry
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