SIGMA 24-70 f2.8 mark 1 or 2?
SIGMA 24-70 f2.8 mark 1 or 2? hey everyone! i currently shoot on a song FE 50mm 1.8 and I desperately need an upgrade to a more professional lens/better quality. The prime is great it’s just not thr sharpest at points and being limited to one focal length is not the best, I was considering of getting the SIGMA 24-70 f2.8 but i know that sigma recently dropped the mark ii ver…