Sigma's service promise seems irresistable in this fast changing market
http://www.sigma-global.com/en/lenses/cas/service/mcs/
Wondering if anyone here has had their mount changed? How's the focusing on a FF EF to FE lens?
http://www.sigma-global.com/en/lenses/cas/service/mcs/
Wondering if anyone here has had their mount changed? How's the focusing on a FF EF to FE lens?
