Viltrox AF 50 mm f/1.4 Pro
9. Vignetting
| Z8, APS-C/DX, f/1.4 | Z8, APS-C/DX, f/2.0 |
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Even at the maximum relative aperture, vignetting is not especially high, reaching just 25% (-0.84 EV). The problem disappears practically completely by f/2.0 and f/2.8, where our results amounted to, respectively, 11% (-0.32 EV) and 4% (-0.12 EV).
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After passing on the bigger full frame sensor, there are far more problems and photos below emphasize this fact very well.
| Z8, FF, f/1.4 | Z8, FF, f/2.0 |
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| Z8, FF, f/2.8 | Z8, FF, f/4.0 |
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At the maximum relative aperture, the result is high, reaching 56% (−2.35 EV). It's worth mentioning the fact that the rivals – the Nikkor, the Samyang, the Sigma and the Sony – fared here even weaker, with results exceeding 60% upwards. Only the expensive and huge Panasonic was able to reduce vignetting more efficiently.
By f/2.0 this aberration reaches 42% (-1.56 EV), by f/2.8 it drops to 27% (-0.91 EV), and by f/4.0 it amounts to 21% (-0.68 EV). By f/5.6 and f/8.0 apertures, it becomes practically imperceptible, with results respectively: 15% (-0.45 EV) and 10% (-0.32 EV).
| Nikon Z8, JPEG, f/1.4 |
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