Sigma 70-300mm F4-5.6 DG Macro A-mount lens review by Ascor

reviewer#20398 date: Oct-28-2015
sharpness: 4.5
color: 4
build: 4
distortion: 5
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 MP24MP24 MP36MP36 MP42MP42 MP
ownership:I own this lens
compared to:Minolta AF 70-210mm 4.0 (beercan)
Tamron AF 28-300mm XR Di LD ASL
price paid:85€ (used)
positive:Sharper than expected, very cheap
negative:AF is noisy and unreliable
comment:I tried this Lens on my A7r and didn't expect much, but - big surprise! Quite sharp even wide open from 70-300mm on a 36MP sensor, that's very good for such a cheap piece of glass. Visibly better IQ than the Minolta AF 70-210 f4! Some purple fringing is visible, but not too bad.
Sadly the AF (tested with LA-EA4 Adapter) is noisy and not reliable. I will keep the lens because of its IQ but tend to use manual focus for important shots.

rating summary

lens image
  • total reviews: 16
  • sharpness: 3.59
  • color: 3.69
  • build: 3.00
  • distortion: 4.13
  • flare control: 3.75
  • overall: 3.63 - Home of the alpha system photographer
In memory of Cameron Hill - brettania