Modify Canon adapter to fit to Sigma SA

Started Jul 19, 2012 | Discussions thread
yvind Strm
Veteran MemberPosts: 4,127
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Re: Modify Canon adapter to fit to Sigma SA
In reply to Dirk124, Jul 23, 2012

Hello Dirk

You have possibly three alternatives:

1. Replace the rear mount of your Rollei lenses to SA mount.

2. Replace the rear mount of the Rollei/EF adaptor with an SA rear mount. This may not be possible at all, or may include a lot of DIY.
3. Replace the camera mount with a EF mount. And use the Rollei-EF adaptor.
The latter is a complicated DIY project, but has been done by a few.

Some more information on my Non-Sigma Lens page:
http://foto.nordjylland.biz/SD14/SD14-NonSigmaLenses.htm
and
http://foto.nordjylland.biz/SD14/overview.htm

Dirk124 wrote:

Hello,

I am interested to use my Rollei QBM lenses at a Sigma SD14.
Unfortunately, there is no adapter for them available.
However, there is an adapter to mount them to Canon EF.

My question now is: Is there a chance to modify the Canon adapter that it fits to the Sigma mount?

Another option would be to use just a Rollei to Pentax adapter. However such an adapter does not exist because the Pentax registration distance is too high.

Any ideas?

Thanks a lot.

Dirk

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