Sigma 56mm f1.4 review - Quality

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-vs-fe-main

 

 

Sigma 56mm f1.4 vs Sony e 50mm f1.8 OSS vs Sony FE 50mm f1.8 corner

sigma-56mm-f1-4-vs-sony-e-vs-fe-corner-f1-4

Above: Sigma 56mm f1.4 at f1.4. 100% crop from corner

 

sigma-56mm-f1-4-vs-sony-e-vs-fe-corner-f1-8

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

 

sigma-56mm-f1-4-vs-sony-e-vs-fe-corner-f2

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

 

sigma-56mm-f1-4-vs-sony-e-vs-fe-corner-f2-8

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

 

sigma-56mm-f1-4-vs-sony-e-vs-fe-corner-f4

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

 

sigma-56mm-f1-4-vs-sony-e-vs-fe-corner-f5-6

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

 

sigma-56mm-f1-4-vs-sony-e-vs-fe-corner-f8

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

 

sigma-56mm-f1-4-vs-sony-e-vs-fe-corner-f11

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

sigma-56mm-f1-4-vs-sony-e-vs-fe-centre-f1-4

Above: Sigma 56mm f1.4 at f1.4. 100% crop from centre

 

sigma-56mm-f1-4-vs-sony-e-vs-fe-centre-f1-8

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

 

sigma-56mm-f1-4-vs-sony-e-vs-fe-centre-f2

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

 

sigma-56mm-f1-4-vs-sony-e-vs-fe-centre-f2-8

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

 

sigma-56mm-f1-4-vs-sony-e-vs-fe-centre-f4

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

 

sigma-56mm-f1-4-vs-sony-e-vs-fe-centre-f5-6

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

 

sigma-56mm-f1-4-vs-sony-e-vs-fe-centre-f8

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

 

sigma-56mm-f1-4-vs-sony-e-vs-fe-centre-f11

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

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Sigma 56mm f1.4

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