Cameras · owner-verdict comparison

Sigma 18-50mm F2.8 DC DN vs Sony A7 IV: what real owners say

Real owners lean toward the Sigma 18-50mm F2.8 DC DN: 92% of 36 owners recommend it, vs 64% of 95 for the Sony A7 IV.

Verdicts aggregated from Reddit, enthusiast forums, and YouTube owner comments — affiliate reviews excluded. Sample sizes differ; judge accordingly. How we score

Sigma 18-50mm F2.8 DC DN

92%of 36 owners recommend
92% recommend · 2% neutral · 6% don't
Full owner report →

Sony A7 IV

64%of 95 owners recommend
64% recommend · 17% neutral · 19% don't
Owners praise
  • Fast, sticky autofocus with reliable eye and subject tracking
  • Sharp, detailed 33MP files with excellent image quality
  • Strong low-light and high-ISO performance
Owners complain about
  • Color science and skin tones tricky in mixed lighting
  • Ergonomics and grip not to everyone's liking
  • Slow sensor readout causes rolling shutter, forcing mechanical shutter
Full owner report →

What Sigma 18-50mm F2.8 DC DN owners say

The problem with this lens is that I don't use my other lenses anymore.
@rikiroll3d on YouTube
Dayum, for $549 that's a pretty good deal!
@pisangijo419 on YouTube
After few months of using this cute little sigma I went back to sigma trio
@Patrick-vi9xr on YouTube

What Sony A7 IV owners say

I don't think it's necessarily the size in terms of resolution it's the quality of the sensor itself and the lens output.
Lost_DarkSoul on Reddit
Por 3000€? Una joya.
@Bcasadry on YouTube
es realmente decepcionante en ese aspecto
@angelfoto4795 on YouTube