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[Image thread] Vario-Sonnar 70-200/3.5-4.5
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rollsman



Joined: 29 Dec 2007
Posts: 74
Location: New Jersey

PostPosted: Sun Mar 15, 2009 1:38 am    Post subject: [Image thread] Vario-Sonnar 70-200/3.5-4.5 Reply with quote

I thought March was the month for this conversion. Hopefully there have been no delays on this conversion. Please advise as to when this will happen. Thanks rollsman
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jrn813



Joined: 26 Feb 2007
Posts: 90
Location: Cotulla, Texas

PostPosted: Sun Mar 15, 2009 6:58 am    Post subject: Reply with quote

All Nine Lenses Are Now Being Converted.....
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jrn813 (John R)
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rollsman



Joined: 29 Dec 2007
Posts: 74
Location: New Jersey

PostPosted: Mon Mar 16, 2009 2:13 am    Post subject: Reply with quote

Thanks John. I will search this forum for a 24-85 converted lense to purchase. Thanks Dennis
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jrn813



Joined: 26 Feb 2007
Posts: 90
Location: Cotulla, Texas

PostPosted: Mon Mar 16, 2009 2:30 am    Post subject: Reply with quote

There Is One Posted For Sale On fredmiranda.com ....

http://www.fredmiranda.com/forum/topic/739215/0?keyword=contax,n#6713681

Keep Me Posted....

John R

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DSLR18



Joined: 29 Feb 2008
Posts: 15
Location: New York

PostPosted: Sun May 17, 2009 1:12 pm    Post subject: Reply with quote

I have receive a 70-200 lens from Bo-Ming in last two week, i test it with my Canon 5D mk II, it's a wonderfully sharp lens, a pleasure to shoot with. Can be handheld easily for hours because of the light weight.


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EXIF Information  Details
Camera make  Canon Camera model  Canon EOS 5D Mark II
ISO  800 Focal length  197mm
Shutter speed  1/800 seconds Aperture  f/4.5

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EXIF Information  Details
Camera make  Canon Camera model  Canon EOS 5D Mark II
ISO  100 Focal length  69mm
Shutter speed  1/10 seconds Aperture  f/8.0
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rollsman



Joined: 29 Dec 2007
Posts: 74
Location: New Jersey

PostPosted: Sun May 24, 2009 1:46 am    Post subject: 70-200 conversion NOW ? Reply with quote

These are 2 images with the 70-200 converted and my 5D


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EXIF Information  Details
Camera make  Canon Camera model  Canon EOS 5D
ISO  250 Focal length  69mm
Shutter speed  1/500 seconds Aperture  f/10.0

IMG_0374rs.jpg
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 Filesize:  2.17 MB
 Viewed:  69573 Time(s)

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EXIF Information  Details
Camera make  Canon Camera model  Canon EOS 5D
ISO  500 Focal length  69mm
Shutter speed  1/100 seconds Aperture  f/4.5
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Zeissfan



Joined: 17 Jun 2009
Posts: 7
Location: Germany

PostPosted: Wed Jun 17, 2009 5:40 pm    Post subject: Vario-Sonnar 70-200 3.5-4.5 Reply with quote

Do you know, that both Vario-Sonnar's 28-80mm, and 70-200mm, that these originally are SIGMA lens design, especially custom made for Zeiss for the Contax N cameras!

Cheers
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doctorb



Joined: 21 Jul 2008
Posts: 101
Location: North Carolina

PostPosted: Wed Jun 17, 2009 7:11 pm    Post subject: Reply with quote

So are you saying that they are more like a Sigma lens than a Zeiss ? (Does that explain why they are the least expensive of the nine Contax N lenses?)
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mwtphoto



Joined: 18 Jun 2007
Posts: 104
Location: Toronto, Canada

PostPosted: Wed Jun 17, 2009 8:40 pm    Post subject: Reply with quote

both the 28-80 and the 70-200 were made to complement the Contax NX both in being less expensive and being lighter in weight. Being designed by sigma may explain why they are the only two N lenses which don't have full time manual focusing. So are these lenses less of a Zeiss lens than the rest?
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Zeissfan



Joined: 17 Jun 2009
Posts: 7
Location: Germany

PostPosted: Thu Jun 18, 2009 6:11 am    Post subject: Vario-Sonnar 28-80 and 70-200mm N lenses. Reply with quote

The optical design of these two "SIGMA lenses" were so good, that they could not have been better made by Zeiss. The also very important mechanical housing part was done due to Zeiss specs. So finally there are two excellent N-lenses with a lower price especially figured for the Contax NX cameras.

I personally was only surprized, because that was the first time to my knowledge, that Zeiss was using an optical Design from a foreign lens manufacturer.

Cheers
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conurus
Site Admin


Joined: 15 Aug 2006
Posts: 795
Location: Vancouver, Canada

PostPosted: Thu Jun 18, 2009 6:16 am    Post subject: Reply with quote

It would be great if you would let us know the source of your information?
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Zeissfan



Joined: 17 Jun 2009
Posts: 7
Location: Germany

PostPosted: Thu Jun 18, 2009 7:06 am    Post subject: Vario-Sonnar 28-80mm and 70-200mm Reply with quote

I have been the photo adviser for KYOCERA at the Photokina in Cologne and was showing the N-Contax system & lenses, plus a "dummy" model of the Contax N digital in a special Pro-Lounge to interested professionals. So I had almost all the goodies in my hands.

Cheers
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conurus
Site Admin


Joined: 15 Aug 2006
Posts: 795
Location: Vancouver, Canada

PostPosted: Thu Jun 18, 2009 7:12 am    Post subject: Reply with quote

Sorry you just told us your credentials but not your source of information. Either 1, you discovered this knowledge yourself somehow, based on some evidence, or 2, somebody else informed you about this. Which is the case?

I have also heard of such a rumour before. No offense intended but I want to know too whether it is just a rumour or it is backed by evidence.

To be honest, I personally don't care. The 70-200 goes for approximately $300 on eBay. If people have no problems accepting a Cosina-made Zeiss lens, they probably would not have any problems with a Sigma-made Zeiss either. I am very happy with the optical quality, and couldn't find any flaws throughout the entire zoom range. The only plausible explanation is that some exotic glass is used. Zeiss never marks their lenses as APO or ED or aspherical.
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Zeissfan



Joined: 17 Jun 2009
Posts: 7
Location: Germany

PostPosted: Thu Jun 18, 2009 9:42 am    Post subject: Vario-Sonnar 28-80mm and 70-200mm Reply with quote

Don't worry, as long as Carl Zeiss in engraved on these lens front rings, it can be very sure, that these lenses meet the high optical and mechanical Zeiss standards. Otherwise, they would not be on the market!

Greetings
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mwtphoto



Joined: 18 Jun 2007
Posts: 104
Location: Toronto, Canada

PostPosted: Thu Jun 18, 2009 3:27 pm    Post subject: Reply with quote

I am still sending the 70-200 in for conversion. By the time it is converted I would have spent the same amount as what a Canon 70-200/4 non IS goes for - the other alternative was to spend another $700 and get the Canon 70-200/2.8 - but I think I will stick to Zeiss. Cheers.
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