Sony 20mm F2.8 E-mount lens review by QuietOC

reviewer#33754 date: Jan-12-2017
sharpness: 4.5
color: 5
build: 4
distortion: 4
flare control: 5
overall: 4.5
tested on:
  • film camera:Film camera
  • APS-C: 6MP6 MP; 10MP10 MP; 12MP12 MP; 14MP14 MP; 16MP16 MP; 20MP20 MP; 24MP24 MP
  • full frame: 12MP12 MP; 24MP24 MP; 36MP36 MP; 42MP42 MP; 61MP61 MP
ownership:I own this lens
compared to:Rokinon 16 F2
Sony E 16 F2.8
Tokina AF 17 F3.5 AT-X
Samyang AF 18 F2.8
Sigma 19 F2.8 DN Art
Sigma 20 F1.8 EX DG
Minolta AF 20 F2.8 & RS
Sigma 24 F1.8 EX DG
Sony 24 F2 SSM Distagon
Tamron 24 F2.8 OSD
Samyang & Rokinon AF 24 F2.8
Minolta AF 24 F2.8
Sigma AF 24 F2.8 II
price paid:230 USD (open box)
positive:Tiny and light
Quiet & fast
Internal focus
Little focus breathing
Compatible with wide converters
Compatible with ALC-SH112 petal hood
negative:Heavy peripheral shading
Not very wide
Inaccurate AF
Glossy black finish
comment:I purchased the first copy as a new open-box lens from Best Buy on eBay for $297. A rather minimal discount considering the state of the box and the missing lens hood. The second copy was also an open box, but offered at a steeper discount without missing items. The regular retail price has been $350 new with occasional $25 discounts. "Made in THAILAND"

After using this for several years on the A5000, A6000 and now the A7II, this is one of the best lenses in the system along with being the smallest. You could complain that is not a typical angle-of-view, and it is certainly not very bright especially for APS-C.

The image projects well beyond the APS-C crop, but full-frame corners are not covered even after removing the rear baffle.

The larger, more expensive Samyang 18mm performs similarly. The larger, cheaper Sigma 19mm F2.8 has a more curved focus plane but gets slightly sharper in the center. The Sony DT 16-50mm F2.8 SSM is sharper everywhere with slightly less distortion. The new 16-55 F2.8 G may also be better.

rating summary

lens image
  • total reviews: 5
  • sharpness: 4.30
  • color: 4.60
  • build: 4.80
  • distortion: 4.40
  • flare control: 4.60
  • overall: 4.54
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