On Dec 10, 2005, at 10:16 AM, Ronald Arvidsson wrote:
Hi Bob,On my Sigma f4 lens its written T3/YS Is the T3 a development of the YS or...Cheers, Ronald
http://www.butkus.org/chinon/y-s_mount/ys.htm Bob
- Re: Sigma XQ 200mm - strange soft-focus macro Bob Shell
