Leica Repair

&#xA; Some time back, I bought a Leica IIIf **, a 1955 model (one of the final ones produced - the III series was discontinued after 1960). It&rsquo;s one of the last of the original Barnack-style Leica rangefinder cameras. I&rsquo;d wanted one for a while, but to be honest the main reason I got it was that for a Leica with a lens it was absurdly cheap, and came with a 3.5cm lens which I knew I…