egnaro
Senior Member
Pretty good value but I believe 24-70L is better in the long run.
Has sunlight flasre issues.
http://www.the-digital-picture.com/Reviews/Sigma-24-70mm-f-2.8-EX-DG-Lens-Review.aspx
Does using filter reduce sunlight flare? some good multi coated filter help a little... I think la..

http://www.dpfwiw.com/filters.htm#types
well, end of the day, it still goes back to TS's decision. we can only share our thought not teaching or instructing TS which to purchase.