Johann Thorsson wrote:
> ........Well, needless to say, it turned out to be not that simple, I have
> never been able to assemble it properly, as the inifinity is never correct
> (it doesn't focus at infinity). So, is there anyone here who knows if there
> are any repair guides available? If not, then I will probably end up
> throwing this away. It is of course possible that I am doing this
> correctly, but the glass is somehow misaligned.
>
Does it not focus to infinity, as seen through the viewfinder, or does
it focus to infinity, but the barrel doesn't show the correct distance?
If the first, It's hard know what is wrong without more info.
If the second, the helicoid is probably screwed into the wrong channels.
I haven't worked on a 50/1.4, but it looks like others on the diagram.
Most lenses have a threaded focus helicoid which has multiple, parallel
threads. If you start screwing it in at the wrong relative radial
position, the marks on the barrels don't line up properly. You have to
back it out, turn it back until the threads fall into a new alignment,
screw it in and repeat until the correct alignment is found.
I'm sending the blow-up diagram for the lens off-list.
Moose
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