FED returns!

OK - I'm looking for some more help and a "last chance" for the FED 1g.

Since servicing, it has developed a strange habit where 90% of the pictures will be out of focus, and the odd one will be reasonable. It's become like the little girl with a curl!

I've tried all manner of things when opening the lens, but it seems to matter not. I post two near identical shots from the other week, from adjacent frames on the same roll of ColorPlus. I'm puzzled, as is the person who did the service. Can anyone suggest anything which could be "off", please?

For the record, the shots were taken on the FED 1g, with Leitz Elmar 5cm, f3.5 lens at infinity, probably around f9-f12.

Any help appreciated? Should I try it with the FED 5cm lens on it?

Thanks!


RFF-not in focus by David Henderson, on Flickr


RFF-in focus by David Henderson, on Flickr
 
Try putting some drag on the rewind knob while winding to the next frame. Could be the tension on the take-up spool is releasing a bit due to worn ratchet. Maybe add a little resistance on the pressure plate as a last resort.


PF
 
farlymac said:
Try putting some drag on the rewind knob while winding to the next frame. Could be the tension on the take-up spool is releasing a bit due to worn ratchet. Maybe add a little resistance on the pressure plate as a last resort.


PF
Click to expand...
That's interesting, I hadn't thought of that. The camera has had quite a lot of disturbance around the pressure plate. Time to have a look with a test film loaded.
 
Does the Elmar lens tube sit tight in the focusing helical? This issue once happened to me with a collapsible Industar — I was just forgetting to check if it's snap-locked in the expanded position
 
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