Cameras · owner-verdict comparison

Sigma 18-50mm F2.8 DC DN vs a6700: what real owners say

Real owners lean toward the Sigma 18-50mm F2.8 DC DN: 92% of 36 owners recommend it, vs 76% of 132 for the a6700.

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
Owners praise
  • Exceptional sharpness and image quality across the zoom range, even wide open, that owners say over-delivers for its APS-C price class
  • Compact, lightweight build that makes it an ideal everyday walk-around and travel lens owners rarely take off the camera
  • Highly versatile for varied subjects, architecture, macro, casual bird photography, travel, as a single do-it-all standard zoom
Owners complain about
  • A minority of owners note the lens is noticeably softer wide open and only reaches its best sharpness once stopped down slightly
Full owner report →

a6700

76%of 132 owners recommend
76% recommend · 7% neutral · 17% don't
Owners praise
  • Exceptional AI autofocus and subject tracking
  • Amazing image quality and colors
  • Compact, lightweight body
Owners complain about
  • Overheats during high frame-rate video
  • Weak low-light performance for a crop sensor
Full owner report →

Which should you buy?

Get the Sigma 18-50mm F2.8 DC DN if
  • ✓APS-C shooters wanting one compact everyday walk-around lens
  • ✓Travelers prioritizing small size and light weight
  • ✓Budget buyers wanting sharp constant f/2.8 without breaking the bank
  • ✓Sony, Fuji, or Canon APS-C users seeking a kit-lens upgrade
Skip it if
  • Photographers wanting more reach or built-in stabilization
  • Those mixing it heavily with Sony or Tamron lenses
Get the a6700 if
  • ✓Travel shooters wanting a small, light APS-C body
  • ✓Wildlife, birds, pets, and motorsport needing fast AI autofocus
  • ✓First-mirrorless buyers who don't need full frame
  • ✓Hybrid shooters mixing stills and 4K video
Skip it if
  • Heavy low-light shooters wanting full-frame cleanliness
  • Pros needing dual card slots for backup

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 a6700 owners say

“They make my A6700 and ZV-E1 record forever”
— @jntechreview on YouTube
“I've been shooting with sony in desert and glaciers for over 10yrs never had any heating issues”
— @EstebanAi on YouTube
“That fan buys me an extra 30min with the a6700 if lucky, and the fan fully charged. Nowhere near the fx line”
— @elaroussinoureddine9801 on YouTube

Sigma 18-50mm F2.8 DC DN vs a6700: frequently asked questions

Is the Sigma 18-50mm F2.8 DC DN or the a6700 better?

Real owners lean toward the Sigma 18-50mm F2.8 DC DN: 92% of 36 owners recommend it, vs 76% of 132 for the a6700.

Who should get the Sigma 18-50mm F2.8 DC DN?

Owners point the Sigma 18-50mm F2.8 DC DN at aPS-C shooters wanting one compact everyday walk-around lens, and travelers prioritizing small size and light weight.

Who should get the a6700?

Owners point the a6700 at travel shooters wanting a small, light APS-C body, and wildlife, birds, pets, and motorsport needing fast AI autofocus.

What do owners complain about?

The most-cited downside of the Sigma 18-50mm F2.8 DC DN is a minority of owners note the lens is noticeably softer wide open and only reaches its best sharpness once stopped down slightly. For the a6700, it's overheats during high frame-rate video.