Sigma 28 70mm f2.8 › Optical Performance
6 positive · 8 mixed · 12 critical mentions across 26 sources.
Closing the aperture gradually improves the sharpness away from the centre, but thereâs still a lot of distortion here so itâs best used for subjects.
MTF (resolution at 42 megapixels) The image resolution is decent, with a few caveats.
The reviewer characterizes it as a miniature version of a popular flagship optic that delivers professional optical performance without the bulk of traditional f/2.8 zooms.Optical performance and sharpness.
Read the full sourced terrain: Sigma 28 70mm f2.8 review.
Counts are drawn from the sources we track and reflect what reviewers said, not a score — AskMaddi charts the terrain, it does not rate.