06-23-2017, 08:38 AM
Diffraction MTF of Sigma 24-70/2.8, source: Sigma
![[Image: mtf.gif]](https://www.sigma-global.com/common/lenses/cas/product/art/a_24_70_28/data/images/mtf.gif)
Geometrical MTF of Sigma
Tried to post that - was not allowed - too many pictures
MTF og Nikkor 24-70/2.8 E VR (Source: Photographylife.com)
![[Image: Nikon-AF-S-NIKKOR-24-70mm-f2.8E-ED-VR-MT...00x255.jpg]](https://cdn.photographylife.com/wp-content/uploads/2015/08/Nikon-AF-S-NIKKOR-24-70mm-f2.8E-ED-VR-MTF-Wide-300x255.jpg)
![[Image: Nikon-AF-S-NIKKOR-24-70mm-f2.8E-ED-VR-MT...00x255.jpg]](https://cdn.photographylife.com/wp-content/uploads/2015/08/Nikon-AF-S-NIKKOR-24-70mm-f2.8E-ED-VR-MTF-Tele-300x255.jpg)
The Sigma is 1300$, the Nikkor 2200$
Does anybody think, all 900$ are just the normal overpricing of genuine lenses? ^_^
For the Tamron G2 I haven't found prices or MTF
![[Image: mtf.gif]](https://www.sigma-global.com/common/lenses/cas/product/art/a_24_70_28/data/images/mtf.gif)
Geometrical MTF of Sigma
Tried to post that - was not allowed - too many pictures
MTF og Nikkor 24-70/2.8 E VR (Source: Photographylife.com)
![[Image: Nikon-AF-S-NIKKOR-24-70mm-f2.8E-ED-VR-MT...00x255.jpg]](https://cdn.photographylife.com/wp-content/uploads/2015/08/Nikon-AF-S-NIKKOR-24-70mm-f2.8E-ED-VR-MTF-Wide-300x255.jpg)
![[Image: Nikon-AF-S-NIKKOR-24-70mm-f2.8E-ED-VR-MT...00x255.jpg]](https://cdn.photographylife.com/wp-content/uploads/2015/08/Nikon-AF-S-NIKKOR-24-70mm-f2.8E-ED-VR-MTF-Tele-300x255.jpg)
The Sigma is 1300$, the Nikkor 2200$
Does anybody think, all 900$ are just the normal overpricing of genuine lenses? ^_^
For the Tamron G2 I haven't found prices or MTF