Zoom ring for EF-S 17-85 on Sea&Sea housing??

I was curious to try my EF-S 17-85 UW. Does anyone know about a ring for using in the S&S housing for this lens?

Cheers

Nuno

Check this out, and make your own.

http://wetpixel.com/forums/index.php?showtopic=15291

Check this out, and make your own.

http://wetpixel.com/forums/index.php?showtopic=15291

Thanks. I will check what works with my lens.

Regards

Nuno