Re: Pre-order: Sigma 24-70mm f/2.8 DG DN E-mount for $1,099!
snapsy wrote: Fred Miranda wrote:
The MTF graphs from Sigma have proven to be trustworthy and the look great for the new 24-70/2.8
It looks a little weak at 24mm at the edges/corners. For comparison here is Roger's measured 24mm and 70mm MTF of the GM (full link):
And the Sigma again for reference:
Here are Nikon's MTF for the 24-70 f/2.8 S:
24mm:
70mm:
Not sure that the Sigma is weak at the corners compared to Sony. Sigma is better over much of the frame, and in the corners the Sony has higher tangential contrast at 30lpm, but not better saggital contrast, so Sony probably shows more astigmatism in the corners, so Sigma may be preferable even there.
Nov 15, 2019 at 04:06 PM
Previous versions of DavidBM's message #15046439 « Pre-order: Sigma 24-70mm f/2.8 DG DN E-mount for $1,099! »
