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HELP!!!! ‎Biotar 75mm f1.5 T. Focus ring stucked!!!!
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PostPosted: Thu Aug 13, 2015 9:12 pm    Post subject: HELP!!!! ‎Biotar 75mm f1.5 T. Focus ring stucked!!!! Reply with quote
Hi all, guys! I have this jewel in exakta mount version. Sadly, the focus ring is actually stuck at 2.5meters and it can not be rotated anyway.
I´m wondering if somebody has previous experiences like this and how this could be resolved. A repair or service manual will be very helpful and I would appreciate it very much. I have not find any step by step teardown guide around the web.
Thanks in advance and sorry for my bad english.


PostPosted: Thu Aug 13, 2015 9:17 pm    Post subject: Reply with quote
With lenses of such value, I'd look for a professional repairsman: it is probably easy to solve for a pro and I wouldn't risk making a mess myself, even if I have some experience in opening lenses. Just my two cents.


PostPosted: Thu Aug 13, 2015 9:23 pm    Post subject: Reply with quote
Aanything wrote:
With lenses of such value, I'd look for a professional repairsman: it is probably easy to solve for a pro and I wouldn't risk making a mess myself, even if I have some experience in opening lenses. Just my two cents.

+1


PostPosted: Thu Aug 13, 2015 10:08 pm    Post subject: Reply with quote
Yeah, great serviceman means half of the problems solved. In Biotar 75 case it may be a must.

Ever since I found a good serviceman, I don't try to mess with the anyhow broken lenses at all. In fact, I don't even bother to clean the optics after a normal outdoor usage any more Laughing The guy does...

Could be hard at Cuba though, as doing so should be logically far easier in countries with great photo tradition, like Germany.


PostPosted: Fri Aug 14, 2015 12:34 am    Post subject: Reply with quote
Marek wrote:
Yeah, great serviceman means half of the problems solved. In Biotar 75 case it may be a must.

Ever since I found a good serviceman, I don't try to mess with the anyhow broken lenses at all. In fact, I don't even bother to clean the optics after a normal outdoor usage any more Laughing The guy does...

Could be hard at Cuba though, as doing so should be logically far easier in countries with great photo tradition, like Germany.


I think it's much more easy in your country or in any other former eastern block country than in Germany or in Austria. Even in Cuba the likelihood is bigger to find an AFFORDABLE serviceman. In Germany or Austria it's most likely cheaper to buy a new lens nowadays. Obviously you don't have any idea about the hourly rates for labor from a specialist in Germany (or Austria). Crying or Very sad
Maybe for the Biotar 75mm the sevice is still cheaper than a replacement because of the insane collectors prices nowadays. For most of the "normal" lenses it's most probably cheaper to look for a replacement if you can't help yourself.


PostPosted: Fri Aug 14, 2015 3:44 am    Post subject: Reply with quote
tb_a wrote:
Marek wrote:
Yeah, great serviceman means half of the problems solved. In Biotar 75 case it may be a must.

Ever since I found a good serviceman, I don't try to mess with the anyhow broken lenses at all. In fact, I don't even bother to clean the optics after a normal outdoor usage any more Laughing The guy does...

Could be hard at Cuba though, as doing so should be logically far easier in countries with great photo tradition, like Germany.


I think it's much more easy in your country or in any other former eastern block country than in Germany or in Austria. Even in Cuba the likelihood is bigger to find an AFFORDABLE serviceman. In Germany or Austria it's most likely cheaper to buy a new lens nowadays. Obviously you don't have any idea about the hourly rates for labor from a specialist in Germany (or Austria). Crying or Very sad
Maybe for the Biotar 75mm the sevice is still cheaper than a replacement because of the insane collectors prices nowadays. For most of the "normal" lenses it's most probably cheaper to look for a replacement if you can't help yourself.


I'm not sure where your judgement comes from, but I know very good and affordable Lens Service Tecs here in Germany.
The one I mostly use, is actually one from Carl Zeiss Jena and he knows what he does very well Wink He has actually
serviced my slim Biotar 75mm a while ago and all is smooth like silk now...

Funny enough those incl. him are listed here in this forum, so how about a little less crying and a bit more researching.. Wink

[HINT: it is to be found EXACTLY where this thread is located ...]


PostPosted: Fri Aug 14, 2015 5:07 am    Post subject: Reply with quote
kds315* wrote:
tb_a wrote:
Marek wrote:
Yeah, great serviceman means half of the problems solved. In Biotar 75 case it may be a must.

Ever since I found a good serviceman, I don't try to mess with the anyhow broken lenses at all. In fact, I don't even bother to clean the optics after a normal outdoor usage any more Laughing The guy does...

Could be hard at Cuba though, as doing so should be logically far easier in countries with great photo tradition, like Germany.


I think it's much more easy in your country or in any other former eastern block country than in Germany or in Austria. Even in Cuba the likelihood is bigger to find an AFFORDABLE serviceman. In Germany or Austria it's most likely cheaper to buy a new lens nowadays. Obviously you don't have any idea about the hourly rates for labor from a specialist in Germany (or Austria). Crying or Very sad
Maybe for the Biotar 75mm the sevice is still cheaper than a replacement because of the insane collectors prices nowadays. For most of the "normal" lenses it's most probably cheaper to look for a replacement if you can't help yourself.


I'm not sure where your judgement comes from, but I know very good and affordable Lens Service Tecs here in Germany.
The one I mostly use, is actually one from Carl Zeiss Jena and he knows what he does very well Wink He has actually
serviced my slim Biotar 75mm a while ago and all is smooth like silk now...

Funny enough those incl. him are listed here in this forum, so how about a little less crying and a bit more researching.. Wink

[HINT: it is to be found EXACTLY where this thread is located ...]


OK, this falls into the category "former eastern block countries" (Dresden). We all know that the prices over there are still below the "western" category.
However, I cannot know everything and of course there might be the one or other exception. Generally speaking the prices for servicing are rather high nowadays.
Nice for you that you still know somebody reasonable.
Of course, it's also a question what you are considering as "affordable". That might be probably far too expensive for somebody else.....
As I stated for a lens which is selling nowadays for above 1.000 Euros like the old Biotar 75mm a service/repair for several hundred Euros might also be considered as "reasonable". For most other lenses like an old Takumar which is selling for less than 100 Euros most probably not.
At least that is my judgement of the present situation. It might also be different if somebody does it "privately" and "tax friendly". Wink
Finally it's naturally also a matter of the necessary effort. In the worst case for such an old lens a part has to be made as no spare parts might be available any longer. Just a little cleaning and lubricating might be much cheaper, that's also rather clear.
Finally, my comment has to be seen as a reply to Marek who obviously believes that the prices in Germany are comparable to his Czech rates. Wink
HINT: I am living next to Hungary. Service prices in Austria are three times higher than (for a local citizen) in Hungary. They also have "tourist rates". Laughing


PostPosted: Fri Aug 14, 2015 7:01 am    Post subject: Reply with quote
tb_a wrote:
For most other lenses like an old Takumar which is selling for less than 100 Euros most probably not.


Philipp Urban
Ludwigstr. 99
04315 Leipzig

philippus81(at)gmx.de

he would fix your lens for arround 20-25 Euro + shipping... I think that's ok for a less than 100 Euro lens


PostPosted: Fri Aug 14, 2015 7:37 am    Post subject: Reply with quote
Tedat wrote:
tb_a wrote:
For most other lenses like an old Takumar which is selling for less than 100 Euros most probably not.


Philipp Urban
Ludwigstr. 99
04315 Leipzig

philippus81(at)gmx.de

he would fix your lens for arround 20-25 Euro + shipping... I think that's ok for a less than 100 Euro lens


That's really a bargain. Thanks for the information.
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