Nikon 50mm 1.4

kxjiru · Jul 23, 2014

I just received a free Nikon Nikkor 50mm 1.4. And sadly the focus ring won't turn past 1m. From infinity to 1m and it just stops no matter how much force I use. What could be the problem?

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trythis · Jul 23, 2014

Has it been disassembled? If someone was inside it could just be junk on the helicals.

Xmas · Jul 24, 2014

kxjiru said:
I just received a free Nikon Nikkor 50mm 1.4. And sadly the focus ring won't turn past 1m. From infinity to 1m and it just stops no matter how much force I use. What could be the problem?

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Previous owner might have been gorilla, stop attempting force, either take apart, or send for repair.

kxjiru · Jul 24, 2014

I haven't dissembled it. It was found in the bottom of a dresser with an F3 and a bunch of other stuff about 10 years ago. It was recently passed on to me.

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jochen · Jul 24, 2014

Hello.
can you focus beyond infinity or does the focus ring stop exactly at the infinity mark when you focus at subject at about 1000 feet? Maybe the lens block has been inserted after cleaning or lubricating into a wrong entrance of the helicoid thread by somebody who did not know how to re-assemble it correctly.

kxjiru · Jul 24, 2014

jochen said:
Hello.
can you focus beyond infinity or does the focus ring stop exactly at the infinity mark when you focus at subject at about 1000 feet? Maybe the lens block has been inserted after cleaning or lubricating into a wrong entrance of the helicoid thread by somebody who did not know how to re-assemble it correctly.

It stops exactly at infinity.

darkosaric · Jul 24, 2014

If I understood - you can focus from infinity to 1m, and can not from 1m to 0.45m? If yes - what is the problem, lens is usable , many other lenses that I have focus till 1m by design. Just use it .

John Koehrer · Jul 24, 2014

It's possible the helical has been misthreaded by one thread. The symptoms are right.

dehk · Jul 24, 2014

If you can do Inf to 1M accurately, my advice is to leave it alone for now and use it as is.

benjiboy · Jul 24, 2014

If you got it for nothing it's worth paying to have it serviced by a professional repairer.

kxjiru · Jul 25, 2014

benjiboy said:
If you got it for nothing it's worth paying to have it serviced by a professional repairer.

Thats probably the best choice. I'm not used to it focusing the "wrong" way anyway!

Nikon 50mm 1.4

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