|Beginning with the 55mm
lens, we go in through the front by removing the flange ring as usual.
A dented filter ring can make a lens like this very difficult to
The 55mm wide-angle here had a sticky slow speed escapement and the
usual fungus and grubbiness.
|The Japanese Kowa Six medium format SLR
was a mid-range system camera with all the capabilities of its
competitors short of having interchangeable film-backs. There was
a wide range of decent lenses all the way out to a 19mm fish-eye!!
This page has lots of information about the Kowa Six and related models.
|Front lens assembly comes
out nicely and the rear unit comes out the back.
On the rear we can see a shutter tensioning system much like that used
on the Mamiya RB and bronica ETR cameras among others.
certain parts, it is smart to look for marks left by a previous
repairman. Use these when reassembling rather than making new
Below is the ball bearing that makes the aperture ring click. It
mustn't be lost!
Click here to continue on to the
|At this point
there was just enough room for a minor flush and lube so I tried it and
the shutter returned an excellent set of speeds straight off so I left
it with that and began reassembly.
From here on it was just a matter of cleaning both glass and metal