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christopher
Joined: 04 Oct 2009
Posts: 4
Location: Germany
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 Posted: Sun Oct 04, 2009 8:48 pm Post subject: Zeiss Tessar repair problem |
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christopher wrote:
Hi everyone.
I just got my hands on a Carl Zeiss Tessar 2.8/50 with some bugs in it.
The Problem with it is that is has dirt (namly brass bits) on the middle part of the lense, makes a chattering noise and the apparture ring moves slowly (not in steps).
Until now I managed to open it carefully and to clean the lense. But I still don `t have full access to the apparture mechanism (where the chattering comes from).(see pictures).
Is it possible to access the aparture from the front (Zeiss lettering) or from the back? I can`t see any further screws.
Pic 1:
Pic 2: Backside of lense with unscrewed back glass
I would really appreciate any suggestions.
thanks christopher
Last edited by christopher on Sun Oct 04, 2009 8:52 pm; edited 1 time in total |
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Attila
Joined: 24 Feb 2007
Posts: 57865
Location: Hungary
Expire: 2025-11-18
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| Posted: Sun Oct 04, 2009 8:52 pm Post subject: Re: Zeiss Tessar repair problem |
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Attila wrote:
| christopher wrote: |
Hi everyone.
I just got my hands on a Carl Zeiss Tessar 2.8/50 with some bugs in it.
The Problem with it is that is has dirt (namly brass bits) on the middle part of the lense, makes a chattering noise and the apparture ring moves slowly (not in steps).
Until now I managed to open it carefully and to clean the lense. But I still don `t have full access to the apparture mechanism (where the chattering comes from).(see pictures).
Is it possible to access the aparture from the front (Zeiss lettering) or from the back? I can`t see any further screws.
Pic 1:
Pic 2: Backside of lense with unscrewed back glass
[url=http://forum.mflenses.com/userpix/200910/big_1997_small_DSCI0006_1.jpg][/url]
I would really appreciate any suggestions.
thanks christopher |
_________________
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Items on sale on Ebay
Sony NEX-7 Carl Zeiss Planar 85mm f1.4, Minolta MD 35mm f1.8, Konica 135mm f2.5, Minolta MD 50mm f1.2, Minolta MD 250mm f5.6, Carl Zeiss Sonnar 180mm f2.8
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Attila
Joined: 24 Feb 2007
Posts: 57865
Location: Hungary
Expire: 2025-11-18
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| Posted: Sun Oct 04, 2009 8:56 pm Post subject: |
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Attila wrote:
Welcome!
Zeiss label ring is removable and behind that you can find rings what are removable with spanner wrench. All optical elements will go out after all and you can see and fix aperture blades.
_________________
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Items on sale on Ebay
Sony NEX-7 Carl Zeiss Planar 85mm f1.4, Minolta MD 35mm f1.8, Konica 135mm f2.5, Minolta MD 50mm f1.2, Minolta MD 250mm f5.6, Carl Zeiss Sonnar 180mm f2.8
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christopher
Joined: 04 Oct 2009
Posts: 4
Location: Germany
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| Posted: Mon Oct 05, 2009 7:42 am Post subject: |
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christopher wrote:
hello...
can I just snap the label ring off or is it fixed somehow? I couldn`t find anything like a screw... |
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indianadinos
Joined: 06 Jul 2008
Posts: 1310
Location: Toulouse, France
Expire: 2011-12-05
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| Posted: Tue Oct 06, 2009 8:02 pm Post subject: |
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indianadinos wrote:
Hi Christopher,
Just unscrew the name ring as i did here ...
Cheers
_________________
Please visit my blogs Shooting with a Pentax K10D / FF Visions
Takumar: 24/3.5, 28/3.5, 35/2, 35/3.5, 50/1.4, 55/1.8, 85/1.8, 105/2.8, 120/2.8, 135/3.5, 150/4, 200/4
Pentax-K: M28/2.8, K28/3.5, M50/1.4, A50/1.7, M50/4 Macro, K85/1.8, K105/2.8, K135/2.5, M200/4, M70-150/4
Zeiss: Flektogon 20/2.8, 20/4, 35/2.4, 35/2.8, Tessar 50/2.8, Pancolar 50/1.8, Biotar 58/2, Sonnar 135/3.5, Sonnar 180/2.8
Meyer: Primagon 35/4.5, Domiplan 50/2.8, Oreston 50/1.8, Primoplan 58/1.9, Trioplan 100/2.8, Orestor 100/2.8, Orestor 135/2.8
Schacht/Steinheil: Travenar 90/2.8, Travenon 135/4.5, Quinar 135/2.8, Quinar 135/3.5
Russian: MIR 37B, Industar 50/3.5, Helios 44M & 44M-2, Jupiter 37A
P6: Flektogon 50/4, Biometar 80/2.8, Orestor 300/4
Nikkor: Nikkor-O 35/2, Micro 55/3.5, Nikkor-S 50/1.4, Nikkor-Q 135/2.8
Fuji: EBC 28/3.5, EBC 55/3.5 Macro, EBC 135/2.5
Misc Lenses: Kiron 105/2.8 Macro, Tamron SP90/2.5
... and a few other Vivitar, Tamron, Sigma and Soligor lenses ...
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christopher
Joined: 04 Oct 2009
Posts: 4
Location: Germany
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| Posted: Thu Oct 08, 2009 5:54 am Post subject: |
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christopher wrote:
well thanks a lot... I finally managed to disassemble and clean everything!!! =)
I`m nearly done with it and gonna post a picture of the lense in a while...
thanks christopher |
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christopher
Joined: 04 Oct 2009
Posts: 4
Location: Germany
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| Posted: Fri Oct 09, 2009 3:08 pm Post subject: lense fiished |
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christopher wrote:
thank you for the help...
no the lense is back in place!!!
_________________
Cameras: Altix-nb, Praktica MTL 5B
Carl Zeiss: Tessar 2,8/50
Carl Zeiss Jena: Tessar 2,8/50
Soligor: 3,9/28-70 |
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