Sigma SD14 and manual lenses

[Xpres]

At Bob's suggestion I will indeed start a thread for the Sigma SD9, SD10 and SD14 which work just fine with manual lenses.
Please add any links, experiences and photos!
It has a Sigma SA mount which is mechanically the same as Pentax K but with a registration of 44mm.
The only adapter available is for M42 lenses although there used to be one for Nikon I think.
You can mount PK lenses If you remove the aperture link and baffle which will then work fine although they'll focus a bit past infinity.
Anything else needs a little more work!

Look at these links for info

http://www.foto.nordjylland.biz/SD14/SD-usertips.htm

http://www.foto.nordjylland.biz/SD14/SD14-NonSigmaLenses.htm
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E1, SD14 and some other stuff!

[hacksawbob]

Thanks anyone else with more info please post
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LENS LIST

[LUIS A GUEVARA]

I am happy to say that the SD14 to Contax C/Y Mount replacement kit has finally reached the status of Prototype , as you can see here:










The Prototype stage is just a validation of Feasability of the project . It is far from what is required to start production , For that the project needs to go trough another validation , this time of Manufacturability.

I am confident though that most of the obstacles that have surfaced could be overcome. What I am not so sure is if a Mount Replacement KIT can be made that can be installed by a non skilled user.

It looks promissing , but the Planar and another C/Y Zoom lens , have both required the REMOVAL of those Aperture levers that project into the Mirror Cavity. The Good News is that after that there is no Interference with the Dust Filter.

However , because of that , and some other issues ,at this point it looks like the first SD14-ZY offerings will be of Converted cameras , rather than Mount replacement kits. This way perhaps some useful information can be gathered from user feedback regarding lens usability .

The Planar is surprisingly good . Very Sharp and Contrasty and yet with a beautiful , Creamy Bokeh. Color , as well known is a bit on the Blue side, that seems to be a Zeiss trademark .

There is also a certain "Glow" on some images that is reminiscent of the "Leica Glow" that for some images works very nice.

See for yourself here:http://www.sigmacumlaude.com/sigmacumlaude/Sigma%20SD14%2DZY%20Gallery/Sigma%20SD14%2DZY/

If you have an interest in this mount please email me at luis@sigmacumlaude.com so I can put you on my mailing list for further news.



Luis

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luis@sigmacumlaude.com

[Orio]

Luis, this is very interesting for me, I have a question, do I understand correctly that a modification to contax lenses is required to mount them?
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ХОРИОС-61 ( ώρεος ) : Lens sana in corpore sano

Main Tools:
LENSES: Carl Zeiss, Leitz, Soviet, old Nikkors, others.
DSLR: Canon EOS 5D, 50D. SLR: Contax AX, RX, 167MT; Voigtländer Bessaflex TM; Praktica FX2; Nikon FM2, F70.
RANGEFINDERS: Contax G2, Kiev-4, Voigtlaender Bessa-T, Canonette QL17. MEDIUM FORMAT: Pentacon 6, Zeiss Super Ikonta, Agfa Record II.
Read Full List HERE
www.timelessphotography.eu
www.oriofoto.net

"Freedom is the right to tell people what they do not want to hear. " (George Orwell)
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[LUIS A GUEVARA]

[F16SUNSHINE]

Luis
This is great news! Certainly the work you are doing will be well received especially on this Forum. It is too bad the aperture pin must be modified. This may slow me personally as some of the Contax lenses are too expensive to own 2 copies (one for sigma and one for film use with Contax cameras). Of course many will not worry about something so trivial as shooting with Foveon and Contax is very appealing . Thankyou for your efforts! You are a true pioneer

[Orio]

Thank you. Well this is not good news really, I'm afraid. I could sacrifice a copy of a Planar 50 or lens with similar budget (100 to 150 Euros), but I doubt I'd never do that to a Distagon 1.4/35 or Sonnar 2.8/180.
But this is me, maybe other people would want to do that, after all there is a lot of people now who is using Contax lenses on digital.
_________________
_
ХОРИОС-61 ( ώρεος ) : Lens sana in corpore sano

Main Tools:
LENSES: Carl Zeiss, Leitz, Soviet, old Nikkors, others.
DSLR: Canon EOS 5D, 50D. SLR: Contax AX, RX, 167MT; Voigtländer Bessaflex TM; Praktica FX2; Nikon FM2, F70.
RANGEFINDERS: Contax G2, Kiev-4, Voigtlaender Bessa-T, Canonette QL17. MEDIUM FORMAT: Pentacon 6, Zeiss Super Ikonta, Agfa Record II.
Read Full List HERE
www.timelessphotography.eu
www.oriofoto.net

"Freedom is the right to tell people what they do not want to hear. " (George Orwell)
_

[Xpres]

I'm a little reluctant to sacrifice any the zeiss lenses in this way as they wouldn't work on film anymore. My intention is to try a couple of yashica ML and decide after that. I have a feeling the sacrifice may be well worth it.
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E1, SD14 and some other stuff!

[LUIS A GUEVARA]

[DSG]

There is no need to de-lever them if you simply remove the C/Y mounting plate and swap it for either an SA mounting plate or an M42-SA adapter.
The easiest Ziess lens to convert to SA mount is without dought the 85mm f1.4 Planar T* (MM version).
As an SA mounting plate is the same diameter as the 85mm's C/Y mounting plate its virtually a direct swap, albeit with some drilling and countersinking in the SA mounting plate to do first.
Here is a picture of the rear of my SA mount 85mm f1.4 Planar T* (note it has no bezel ring...I could'nt be bothered to make one for it):

http://img518.imageshack.us/img518/1180/img17738buu2.jpg

The 28mm Distagon T* is a little trickier because its C/Y mounting plate securing holes are well within the inner circumference of an SA mounting plate...The solution was to make a simple stepped washer out of Aluminium which sits inside the SA plate and also acts as the lens's bezel ring...A picture of rear of my SA mount 28mm f2.8 Distagon T* is here:

http://img372.imageshack.us/img372/2008/img14104cqf0.jpg

The 50mm f1.4 has a similar securing screw setup to the 28mm so it might be possible to use the same washer to convert one to SA mount.
On no account should you ever consider trying to convert the 50mm f1.7 Planar T* to any other mount, trust me on this!...Its has a horrendously complex iris actuation mechanism inside to work around that consists of two seperate actuators on opposite sides of the lens that have to be turned simultaniously in opposite directions but at different rotational rates!!!...By employing some precison engineered parts custom made for the job I managed it, just, but it does'nt have click stops anymore.
In any case, the lens really is'nt anywhere near as good as its MTF scores would lead you to believe, in fact its really nothing special at all, so even if you spot a cheap one I would give it a very wide berth and get the 50mm f1.4 version instead.

[DSG]