Which lenses adapted SA?

Not many, far as I can tell.

There are a few adapters on that big auction site.

One style adapts M42 lenses to Sigma SA.

Someone is making a pretty involved conversion for Nikon lenses, and it doesn't look like it is easily/quickly reversed/removed.

There are a couple of MF format lens to Sigma SA adapters, and include tilt/shift.

IIRC, Pentax lenses will attach to the Sigma SA mount- pretty easy to read up through an internet search.

There are a couple of "hacks" that show up in an internet search too.

Note that the SDQ apparently performs the best, AF wise, with the latest "A" and "C" Global Vision lenses.

https://en.wikipedia.org/wiki/Flange_focal_distance

Theoretically any lens having a flange distance equal to or greater than the Sigma SA mount flange distance of 44mm will work.

In practice, you need at least a couple mm greater than this so that an adapter can be built. That means for example that an adapter for M42 can be built and it will be 1.46mm thick (0.057"). I have one of these and it is just about as thin as I think any adapter can be without falling apart of its own weakness. Unfortunately most M42 lenses are at least 40 years old, and not getting any younger.

Pentax flange distance is the same, and Nikon F-mount is 46.50mm. Since many fine modern fully manual lenses such as Zeiss and Samyang are available in Nikon mounts, this might be the best one to buy an adapter for. Unfortunately Nikon mount adapters for SA are not cheap.

http://www.jtat.com/sd/sd_main/SD_Nikon.html

The SD Quattro should work well with any fully manual lens since it has a built in focus magnifier.

Another advantage of a fully manual lens is that it can be manually focused at the shooting aperture, rather than focusing at maximum aperture and then stopping down only for the exposure. Many lenses have "focus breathing" meaning the focus changes slightly with aperture setting. Focusing at the shooting aperture means this problem can be bypassed.

It is remotely possible that Sigma will eventually make some of its Cine lenses available in SA mount. They are the only fully manual lenses Sigma makes, and they have only just been announced. We can hope.

https://www.dpreview.com/news/96349...he-cinema-lens-game-with-ef-and-e-mount-zooms

--
Tom Schum
Celebrate mediocrity (in moderation)

Any canon eos lens can be converted by changing the rear flange and contacts. That involves soldering but if everything is done correctly the lens will work on a sigma just like it did on a canon with the exception of image stabilization which will not work. Yes, autofocus will work.

Any pentax manual lens with a manual aperture ring and without an auto aperture lever (the one that holds the aperture open when focusing will fit on the sigma camera. You cannot use sigma lenses on pentax cameras however. If you don't plan to use the pentax lens on a pentax again you can remove that internal aperture holding open lever and any shields that are there so that the lens will fit on the sigma and it will work find manually

You can buy pentax leitax adapters from leitax for some contax and leica R lenses.

You can buy sigma sa m42 screw mount adapters and use them as flanges on lenses that they will fit onto. You can also used them on m42 lenses.

There are a few zeiss lenses that were made to fit pentax cameras. The 35mm f2 seems most available.

Mike

https://www.dpreview.com/forums/post/58003850

These options may also work on the SD Quattro, but I haven't seen this confirmed anywhere yet.

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Dave, HCL

Very interesting thread...

As somebody who has no technical skills whatsoever, is this the Canon EF conversion a procedure that can be done at most camera stores?

wallpaperviking said:

Very interesting thread...

As somebody who has no technical skills whatsoever, is this the Canon EF conversion a procedure that can be done at most camera stores?

Click to expand...

I doubt that very much, though repairers or custom engineering companies might be able to do the work for you. Try looking up SRB Griturn in the UK or SK Grimes in the USA, for example.

It can be done at home if you have the requisite skills. A small number of people have done it but I was unable to find any youtube or even articles on the process.

Basically one needs to remove the connections from the canon contact block and solder them to the sigma block then rotate the flange position on the lens so the lens remains in the appropriate orientation to the camera. It might involve drilling new holes and you may need to make sure the newer flange is the right thickness so some care needs to be taken.

I don't think most repair stores would be willing to undertake this but find a local shop and ask.

Mike

wallpaperviking said:

Very interesting thread...

As somebody who has no technical skills whatsoever, is this the Canon EF conversion a procedure that can be done at most camera stores?

Click to expand...

wallpaperviking said:

Very interesting thread...

As somebody who has no technical skills whatsoever, is this the Canon EF conversion a procedure that can be done at most camera stores?

Click to expand...

Hell no. lol

Most camera stores have never even had a Sigma camera in stock, let alone adapted a lens to fit the mount. They don't carry Sigma lenses in SA mount either. In fact, most camera stores seem to be out of business these days.

You should read old (unfortunately available only on web archive; some ads may be added there, sorry), but exhaustive list of lens options for Sigma SA: site: http://web.archive.org/web/20120216....nordjylland.biz/SD14/SD14-NonSigmaLenses.htm

Tom Schum said:

It is remotely possible that Sigma will eventually make some of its Cine lenses available in SA mount. They are the only fully manual lenses Sigma makes, and they have only just been announced. We can hope.

Click to expand...

They will launch them in PL mount, which has a longer flange distance than most photo camera mounts, so could be adapted to pretty much anything with a dumb adapter. Likely to be expensive, though.

The EVF is showing a rainbow as picture.

It is great when using some LSD but not so good for shooting.

This with a Canon 50mm F1.8 which is working on every other Sigma DSLR

LOL. I am seriously thinking about some conversions from canon to sigma like the rokinon 14mm. The new Sigma 12-24 sounds tempting but at a huge weight disadvantage.

How do the images come out? Are they rainbowed too?

Mike

Thomas Mottl said:

The EVF is showing a rainbow as picture.

It is great when using some LSD but not so good for shooting.

This with a Canon 50mm F1.8 which is working on every other Sigma DSLR

Click to expand...

Hi,

It is possible to fit several makes of lenses. The easiest route is to do this via a simple SA-M42 adapter and use M42 lenses.

Possibly also fit say, a Tamron Adaptall - M42 into this base adapter and use the many excellent Tamron SP lenses available .

Loads of possibilities, best of luck.

Cheers.

PS. There is Canon lens expert who does a lot of custom stuff I believe, maybe he has an answer?

google. ' the lens doctor' if you are interested.

Thank you all for the replies- much appreciated.