AskMaddi
What do reviewers say about the Sigma 28 70mm f2.8?
As of October 2026, among the 3 reviews we compiled, optical performance drew the most discussion: 26 claims, which we read as 23% positive, 31% neutral, 46% negative.
Synthesized from 3 reviewer sources for Sigma 28 70mm f2.8. Optical performance draws the most discussion: 6 positive, 8 neutral, and 12 negative across 26 sentiment markers.
What are the Sigma 28 70mm f2.8 specifications?
Focal Length Mm70 mm
Max Aperturef/2.8
specs: designation
What do reviewers praise and criticize?
Optical Performance
6 pos · 8 neu · 12 neg
“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.” — Cameralabs
Build Quality
0 pos · 3 neu · 3 neg
“While the lens has some basic weather sealing at the mount, it's not as well sealed against the elements as professional-grade lenses.” — Opticallimits
Mount Compatibility
2 pos · 12 neu · 1 neg
Price & Value
1 pos · 9 neu · 1 neg
“At $799-899, the lens represents an absolute bargain, a miniature version of a pro lens.” — Slrlounge Com
Weight & Portability
0 pos · 4 neu · 1 neg
More detail — 9 additional axes
Distortion
0 pos · 1 neu · 2 neg
Vignetting
3 pos · 3 neu · 6 neg
Chromatic Aberration
1 pos · 4 neu · 1 neg
Coma
0 pos · 7 neu · 1 neg
Bokeh
6 pos · 3 neu · 3 neg
Color Rendition
2 pos · 0 neu · 0 neg
Filter Thread
0 pos · 3 neu · 0 neg
Dimensions
0 pos · 5 neu · 0 neg
AF Noise
2 pos · 1 neu · 1 neg
Which reviews is this based on? (3)
Every claim above traces to these original reviews. We don't write opinions — we synthesize theirs.