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Krisgage
Joined: 16 Mar 2009
Posts: 681
Location: Singapore
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 Posted: Thu Apr 23, 2009 1:28 pm Post subject: E Krauss Paris |
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Krisgage wrote:
Hi, I found an old lens in a antique shop. The guy in the shop says the box is original which I don't think so. As a big fan of silver lenses, I bought it. It is M39 screw mount and able to work with my Olympus E-510. Does anyone seen or knows about this lens ?
It got full set , metal front cap , metal hood but no rear cap.
It says E Krauss Paris No 150517 Tessar Zeiss 1:3,5 F-7,5cm
The rear
The side showing the heliod and M39 screw mount. The lens will screw backwards but luckily will not hit the mirror.
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F16SUNSHINE
Joined: 20 Aug 2007
Posts: 5486
Location: Left Coast
Expire: 2011-11-18
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| Posted: Thu Apr 23, 2009 4:43 pm Post subject: |
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F16SUNSHINE wrote:
Very interesting.
I think it is a RF lens.
The Helicoid retraction is to activate the RF arm in LTM cameras.
Chris it's time for you to buy a LTM body 
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luisalegria
Joined: 07 Mar 2008
Posts: 6602
Location: San Francisco, USA
Expire: 2018-01-18
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| Posted: Thu Apr 23, 2009 4:58 pm Post subject: |
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luisalegria wrote:
You have an unusual piece.
Krauss was an old French company that licensed Zeiss designs, like Bausch&Lomb in the US. I am used to seeing Krauss-Tessars from the brass-lens era, 1890-1920, I never heard of Leica-mount stuff under that brand, though I am certainly no Leica expert.
It doesn't seem that your lens has barrel markings. If it does not have a focus scale, it may be that this is actually a Krauss lens taken from some other camera and mounted on a focusing Leica-mount as a custom job ? If so, its a excellent piece of work.
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Krisgage
Joined: 16 Mar 2009
Posts: 681
Location: Singapore
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| Posted: Thu Apr 23, 2009 5:56 pm Post subject: |
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Krisgage wrote:
| F16SUNSHINE wrote: |
Very interesting.
I think it is a RF lens.
The Helicoid retraction is to activate the RF arm in LTM cameras.
Chris it's time for you to buy a LTM body |
Oh talking about that, the guy showed me his hidden stuff, working Zorki 6 with Industar-50 chrome !
I am considering that one though.
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Krisgage
Joined: 16 Mar 2009
Posts: 681
Location: Singapore
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| Posted: Thu Apr 23, 2009 6:00 pm Post subject: |
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Krisgage wrote:
| luisalegria wrote: |
You have an unusual piece.
Krauss was an old French company that licensed Zeiss designs, like Bausch&Lomb in the US. I am used to seeing Krauss-Tessars from the brass-lens era, 1890-1920, I never heard of Leica-mount stuff under that brand, though I am certainly no Leica expert.
It doesn't seem that your lens has barrel markings. If it does not have a focus scale, it may be that this is actually a Krauss lens taken from some other camera and mounted on a focusing Leica-mount as a custom job ? If so, its a excellent piece of work. |
Hi
Thanks for the detail explanation. The mount that holds the main part of the lens looks crude though. When I took photo with it, the photos turns out "hazy" or "smoky" but the lens glasses are rather clear except for some small dots. I suspect there is light leak somewhere.
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Krisgage
Joined: 16 Mar 2009
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Location: Singapore
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| Posted: Thu Apr 23, 2009 6:04 pm Post subject: |
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Krisgage wrote:
probably taken out from something like this
http://www.cameramate.com/product_info.php?products_id=2818
then machine a mount and heloid for the lens ?
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luisalegria
Joined: 07 Mar 2008
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| Posted: Thu Apr 23, 2009 6:48 pm Post subject: |
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luisalegria wrote:
Yes, that kind of thing.
I know that Krauss made lenses for plate cameras and what we would today call medium-format (6x6, 6x7, 6x9 cm), also movie lenses like that one on ebay.
Yours may be designed for medium format or maybe even an enlarger.
Your hazy result may be because of reflections inside. I understand that this can especially happen if a lens was designed to cover a large format and the lens mount doesn't have good internal baffles. Maybe you can add some to the inside of the tube ?
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GrahamNR17
Joined: 17 Jan 2009
Posts: 1855
Location: Norfolk, UK
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| Posted: Thu Apr 23, 2009 6:53 pm Post subject: |
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GrahamNR17 wrote:
Nice find! 
I hope to see the results once day 
Don't you just LOVE antique shops and the treasures they conceal? |
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Krisgage
Joined: 16 Mar 2009
Posts: 681
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| Posted: Thu Apr 23, 2009 6:55 pm Post subject: |
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Krisgage wrote:
what can i use for internal buffer ? Initially I am thinking of using electrical tape but that part is a moving part so I think it won't work. 
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Krisgage
Joined: 16 Mar 2009
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| Posted: Thu Apr 23, 2009 6:56 pm Post subject: |
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Krisgage wrote:
| GrahamNR17 wrote: |
Nice find!
I hope to see the results once day
Don't you just LOVE antique shops and the treasures they conceal? |
Yes I totally agreed since there are some many stuff piling on top of one another, you won't know whats being buried underneath !
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luisalegria
Joined: 07 Mar 2008
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| Posted: Thu Apr 23, 2009 7:09 pm Post subject: |
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luisalegria wrote:
Several things, possibly -
Electrical tape is shiny, so thats not an improvement, unless the inside of the tube is shiny brass or aluminum.
Some things to try
- black felt
- black colored paper
- Black sticky-backed foam (like for light seals)
If these are not good enough, you can also try making rings made of black paper and gluing several of them to the felt/paper/foam
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Krisgage
Joined: 16 Mar 2009
Posts: 681
Location: Singapore
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| Posted: Thu Apr 23, 2009 8:09 pm Post subject: |
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Krisgage wrote:
| luisalegria wrote: |
Several things, possibly -
Electrical tape is shiny, so thats not an improvement, unless the inside of the tube is shiny brass or aluminum.
Some things to try
- black felt
- black colored paper
- Black sticky-backed foam (like for light seals)
If these are not good enough, you can also try making rings made of black paper and gluing several of them to the felt/paper/foam |
Okay. I will take note and give it a try ! Thanks !
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Krisgage
Joined: 16 Mar 2009
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| Posted: Thu Apr 23, 2009 8:12 pm Post subject: |
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Krisgage wrote:
Beside getting this lens, I got the Vivitar 400mm f5.6 at super low price. The problem is the aperature ring not working, front most glass n inside front glass had fungus growing and center element is dusty. I also succeed in persuading the guy to give me the Jupiter-11A as a gift since I bought from many times. The Jupiter-11A only front most and rear most glasses are dusty, inside alright and I had it running ! What I love most is the perfect round iris formed by the blades !
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luisalegria
Joined: 07 Mar 2008
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| Posted: Thu Apr 23, 2009 9:01 pm Post subject: |
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luisalegria wrote:
If the Vivitar is the preset version it is easy to fix. The front group screws off from the part with the diaphragm.
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