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Sigma YS / System Focusing lenses
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PostPosted: Mon Jun 15, 2015 4:54 am    Post subject: Reply with quote
I have gathered all the pages of the Sigma catalog published by on the Xitek Forum and uploaded them on my website in the form of a single PDF file. I have also uploaded a Sigma YS mount user manual. Here's the link to the download page:

http://www.lallement.com/pictures/files.htm

Cheers!

Abbazz


PostPosted: Mon Jun 15, 2015 7:19 am    Post subject: Reply with quote
Macca wrote:
I have an Accura Diamatic 105mm 2.5 in YS mount,a tad uglier than the one above but apart from some dust the glass is clean and it has the original ys- m42 mount




This is a Sankor lens, rather common. Not seen it with the YS lettering before though.


PostPosted: Mon Jun 15, 2015 8:15 am    Post subject: Reply with quote
Abbazz wrote:
I have gathered all the pages of the Sigma catalog published by on the Xitek Forum and uploaded them on my website in the form of a single PDF file. I have also uploaded a Sigma YS mount user manual. Here's the link to the download page:

http://www.lallement.com/pictures/files.htm


Thanks for sharing!
I did an attempt for myself but couldn't get all files of it neatly downloaded for the same purpose.


PostPosted: Mon Jun 15, 2015 2:25 pm    Post subject: Reply with quote
Minolfan wrote:
Thanks for sharing!
I did an attempt for myself but couldn't get all files of it neatly downloaded for the same purpose.

You're welcome !

Cheers!

Abbazz


PostPosted: Tue Jan 26, 2016 11:10 pm    Post subject: Reply with quote
What is the difference between the xq and ys. Are the xq mounts removable to reveal t2 as with ys?


PostPosted: Mon May 27, 2019 10:33 am    Post subject: Reply with quote
mark fewtrell wrote:
What is the difference between the xq and ys. Are the xq mounts removable to reveal t2 as with ys?

XQ=Xtra Quality (or supposed to !..The quality of the <1979 sigma lenses was poor)
YS=Yamaki System (Yakami=Sigma founder name) .. The interchangeable mount (shared with sun)

These are two different lines
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