Nikon Nikkor Z 50 mm f/1.4
8. Vignetting
| Z7, APS-C/DX, f/1.4 | Z7, APS-C/DX, f/2.0 |
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At the maximum relative aperture vignetting is noticeable because it reaches 29% (−1.00 EV). Fortunately it is not an especially high level. By f/2.0 and f/2.8 this aberration decreases to a negligible level of, respectively, 14% (−0.43 EV) and 7% (−0.20 EV).
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After passing to a bigger full frame sensor vignetting becomes far more pronounced and photos below show it very clearly.
| Z7, FF, f/1.4 | Z7, FF, f/2.0 |
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| Z7, FF, f/2.8 | Z7, FF, f/4.0 |
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The loss if light in frame corners at the maximum relative aperture reaches as much as 64% (−2.92 EV). It's a lot but the Nikkor with its moderate dimensions doesn't fare here that bad, especially when compared to its bigger rivals. After all the Samyang AF 50 mm f/1.4 FE II showed a level of 60%, the Sony FE 50 mm f/1.4 GM had a result of 63%, and the Sigma A 50 mm f/1.4 DG DN – a loss of 67%. You have to admit that the smaller Nikkor fares quite well in comparison..
On stopping down the aperture to f/2.0 vignetting decreases to 46%(−1.76 EV), and by f/2.8 it becomes even lower descending to 38% (−1.37 EV). Another slight decrease you can observe by f/4.0, where it reaches 33% (−1.16 EV) and by f/5.6, where we got a result of 27% (−0.93 EV). By f/8.0 and f/11.0 apertures vignetting reaches, respectively 22% (−0.73 EV) and 17% (−0.55 EV).
| Nikon Z7, JPEG, 50 mm, f/1.4 |
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