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Legacy Lenses Discuss the use of older lenses, using adapters, from the Olympus OM system, Leica M and R-series, and the millions of others too.

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  #31  
Old 23rd January 2017
ludwig ludwig is offline
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Re: Leica Elmar-r 100mm

Ok - so here's an update...

Harold kindly offered to test out my adaptor with his lenses - and it seems at this early stage, that the adaptor checks out ok - he'll be testing again shortly, but so far it seems that 1) his lenses focus to infinity with the adaptor, and 2) his adaptor seems to have the same flange depth as mine.

So - if this is indeed the case, that my adaptor is fine - what would cause my lens not to focus to infinity - and what can I do about it?
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  #32  
Old 23rd January 2017
Harold Gough Harold Gough is offline
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Re: Leica Elmar-r 100mm

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Originally Posted by ludwig View Post
Ok - so here's an update...

Harold kindly offered to test out my adaptor with his lenses - and it seems at this early stage, that the adaptor checks out ok - he'll be testing again shortly, but so far it seems that 1) his lenses focus to infinity with the adaptor, and 2) his adaptor seems to have the same flange depth as mine.

So - if this is indeed the case, that my adaptor is fine - what would cause my lens not to focus to infinity - and what can I do about it?
In the past half hour I have completed a number of shots. I won't bother you with any other than this. I think 30,000+ feet counts as infinity.





The bad news is that the helicoid on the lens seems to need lubrication.

(There have been a number of PMs).

Harold
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  #33  
Old 23rd January 2017
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Re: Leica Elmar-r 100mm

"The bad news is that the helicoid on the lens seems to need lubrication."

Thanks for the help Harold - it's really appreciated.
However...

You say that the helicoid needs lubrication? How on earth can you say that without having the lens in front of you? Can you explain it to me?
My brain isn't making the correlation between lubrication and lack of infinity focus, especially given that the lens "feels" as though it doesn't have a lubrication problem (it feels fine to me - similar to that of my manual Takumar lenses, though maybe a touch stiffer). And as I said before, when in use the infinity indicator is aligned, this is when the lens stops rotating - just like my Takumar lenses do...

So where does the lubrication come into this?
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  #34  
Old 23rd January 2017
Harold Gough Harold Gough is offline
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Re: Leica Elmar-r 100mm

Quote:
Originally Posted by ludwig View Post
"The bad news is that the helicoid on the lens seems to need lubrication."

Thanks for the help Harold - it's really appreciated.
However...

You say that the helicoid needs lubrication? How on earth can you say that without having the lens in front of you? Can you explain it to me?
My brain isn't making the correlation between lubrication and lack of infinity focus, especially given that the lens "feels" as though it doesn't have a lubrication problem (it feels fine to me - similar to that of my manual Takumar lenses, though maybe a touch stiffer). And as I said before, when in use the infinity indicator is aligned, this is when the lens stops rotating - just like my Takumar lenses do...

So where does the lubrication come into this?
I suppose it's hoping for the cheap option. When mine failed it would not wind back to focus further out than moderate close-ups. I'm wondering if a previous owner has forced it, making the alignment slip. In any case, it is a job for a pro and is likely to cost you upwards of 40, although they should take a look for free and give you an estimate.

You might find some expertise here but it it aimed at doing your own repairs.

http://forum.manualfocus.org/index.php

Good luck with it.

Harold
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  #35  
Old 23rd January 2017
Harold Gough Harold Gough is offline
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Re: Leica Elmar-r 100mm

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Originally Posted by Harold Gough View Post
I suppose it's hoping for the cheap option. When mine failed it would not wind back to focus further out than moderate close-ups. I'm wondering if a previous owner has forced it, making the alignment slip. In any case, it is a job for a pro and is likely to cost you upwards of 40, although they should take a look for free and give you an estimate.

You might find some expertise here but it it aimed at doing your own repairs.

Good luck with it.

Harold
There is a book but a service is cheaper:

https://www.amazon.co.uk/Leica-Camer...+9780936262871

Harold
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  #36  
Old 24th January 2017
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Re: Leica Elmar-r 100mm

That's quite an expensive book. I've tried to find it in eBook form somewhere and so far no joy. Also have posted elsewhere regarding my lens issue, and have had little response - though that Manual Lens forum you suggested Harold was closed for new registrations. I'm still hunting about though.
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  #37  
Old 24th January 2017
Harold Gough Harold Gough is offline
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Re: Leica Elmar-r 100mm

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though that Manual Lens forum you suggested Harold was closed for new registrations.
You can join, as I understand it, by contacting admin. I joined before self-registration was blocked. You can read the posts but, possibly not search, without joining.

An alternative:

http://photo.net/leica-rangefinders-forum/

Harold
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  #38  
Old 24th January 2017
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Re: Leica Elmar-r 100mm

I'll give that a look too Harold - seriously big thanks for all your help.
It's appreciated...
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  #39  
Old 24th January 2017
Harold Gough Harold Gough is offline
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Re: Leica Elmar-r 100mm

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Originally Posted by ludwig View Post
I'll give that a look too Harold - seriously big thanks for all your help.
It's appreciated...
I have been given a lot of help from various forums and it is good to be able to give something back.

Harold
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  #40  
Old 24th January 2017
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Re: Leica Elmar-r 100mm

So - I managed to join that Manual Focus Lens forum - fingers crossed someone comes back with some good ideas.
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  #41  
Old 24th January 2017
Harold Gough Harold Gough is offline
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Re: Leica Elmar-r 100mm

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Originally Posted by ludwig View Post
So - I managed to join that Manual Focus Lens forum - fingers crossed someone comes back with some good ideas.
It may take a while to get any reaction as there has been little activity there for a week or two (since I started using an AF lens?).

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  #42  
Old 25th January 2017
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Re: Leica Elmar-r 100mm

Don't suppose anyone on here can speak German?
http://www.digicamclub.de/showthread.php?t=15429&page=2

This kind of sounds like the same issue - but Google translate is only so good so as to understand what's going on.
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  #43  
Old 25th January 2017
Harold Gough Harold Gough is offline
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Re: Leica Elmar-r 100mm

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Originally Posted by ludwig View Post
Don't suppose anyone on here can speak German?
http://www.digicamclub.de/showthread.php?t=15429&page=2

This kind of sounds like the same issue - but Google translate is only so good so as to understand what's going on.
The ring with "Macro Elmar on it is shown as already unscrewed. (A gloved* hand was need to grip it hard enough).

* For this kind of operation, for removing filters jammed on lenses, etc. a supply of broad (say, 3-5mm) rubber bands to fit fairly tightly is very useful

Behind it (originally hidden under it) you can see a notch in the outer end of the clamping ring. This ring has to be loosened by unscrewing. It is not clear how you do this, possibly with a tool (screwdriver?) in the notch.

You then adjust the distance focus by pulling the end of the lens outwards, or in your case pushing it inwards, until focus (lens on adapter) is restored in line with the distance markings. You then tighten the two rings again.

That is my interpretation, not easy without the lens to examine.

Hope this helps. It look simple and well withing DIY skills.

Harold
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  #44  
Old 25th January 2017
Harold Gough Harold Gough is offline
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Re: Leica Elmar-r 100mm

Some further help?

http://www.fredmiranda.com/forum/topic/593894

Harold
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Old 25th January 2017
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Re: Leica Elmar-r 100mm

If indeed what you suggest above is how it's done, it is indeed within the scope of my DIY skills.
I've asked for a translation on that german site too - but your translation above Harold is close to what I thought it said was required.
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