Sigma 56mm f1.4 review
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Written by Gordon Laing
Quality
To measure and compare the sharpness of the Sigma 56mm f1.4 lens, I photographed the following scene with the e-mount version fitted to a Sony A6500; note Micro Four Thirds cameras use a cropped area which will be a little more forgiving towards the corners. I then reshot the scene moments later using the Sony e 50mm f1.8 OSS and Sony FE 50mm f1.8, adjusting the distance to match the framing with the 56mm. I then cropped areas from the centre and corner as indicated below by the red frames, and have presented them below at 100% for direct comparison.
Sigma 56mm f1.4 vs Sony e 50mm f1.8 OSS vs Sony FE 50mm f1.8 corner
Above: Sigma 56mm f1.4 at f1.4. 100% crop from corner
Above, left to right: Sigma 56mm f1.4 at f1.7, Sony e 50mm f1.8 at f1.8, Sony FE 50mm f1.8 at f1.8. 100% crops from corner
Above, left to right: Sigma 56mm f1.4, Sony e 50mm f1.8, Sony FE 50mm f1.8. All at f2. 100% crops from corner
Above, left to right: Sigma 56mm f1.4, Sony e 50mm f1.8, Sony FE 50mm f1.8. All at f2.8. 100% crops from corner
Above, left to right: Sigma 56mm f1.4, Sony e 50mm f1.8, Sony FE 50mm f1.8. All at f4. 100% crops from corner
Above, left to right: Sigma 56mm f1.4, Sony e 50mm f1.8, Sony FE 50mm f1.8. All at f5.6. 100% crops from corner
Above, left to right: Sigma 56mm f1.4, Sony e 50mm f1.8, Sony FE 50mm f1.8. All at f8. 100% crops from corner
Above, left to right: Sigma 56mm f1.4, Sony e 50mm f1.8, Sony FE 50mm f1.8. All at f11. 100% crops from corner
Sigma 56mm f1.4 vs Sony e 50mm f1.8 OSS vs Sony FE 50mm f1.8 centre
Above: Sigma 56mm f1.4 at f1.4. 100% crop from centre
Above, left to right: Sigma 56mm f1.4 at f1.7, Sony e 50mm f1.8 at f1.8, Sony FE 50mm f1.8 at f1.8. 100% crops from centre
Above, left to right: Sigma 56mm f1.4, Sony e 50mm f1.8, Sony FE 50mm f1.8. All at f2. 100% crops from centre
Above, left to right: Sigma 56mm f1.4, Sony e 50mm f1.8, Sony FE 50mm f1.8. All at f2.8. 100% crops from centre
Above, left to right: Sigma 56mm f1.4, Sony e 50mm f1.8, Sony FE 50mm f1.8. All at f4. 100% crops from centre
Above, left to right: Sigma 56mm f1.4, Sony e 50mm f1.8, Sony FE 50mm f1.8. All at f5.6. 100% crops from centre
Above, left to right: Sigma 56mm f1.4, Sony e 50mm f1.8, Sony FE 50mm f1.8. All at f8. 100% crops from centre
Above, left to right: Sigma 56mm f1.4, Sony e 50mm f1.8, Sony FE 50mm f1.8. All at f11. 100% crops from centre
Check prices on the Sigma 56mm f1.4 at Amazon, B&H, Adorama, or Wex. Alternatively get yourself a copy of my In Camera book or treat me to a coffee! Thanks!
