Nikon Nikkor Z 50 mm f/1.2 S
8. Vignetting
| Z7, APS-C/DX, f/1.2 | Z7, APS-C/DX, f/1.4 |
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At the maximum relative aperture vignetting is visible, reaching 26% (−0.87 EV), but this effect is not especially pronounced. On stopping down the aperture, by f/1.4, that aberration decreases to 18% (−0.57 EV). All problems end completely by f/2.0 where vignetting drops to an imperceptible value of 6% (−0.18 EV)
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After passing to the bigger, full frame sensor vignetting becomes far more bothersome and the photos, presented below, prove that very well.
| Z7, FF, f/1.2 | Z7, FF, f/1.4 |
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| Z7, FF, f/2.0 | Z7, FF, f/2.8 |
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At the maximum relative aperture light fall-off in the frame corners reaches a significant level of 57% (−2.43 EV). In this category the Nikkor fares better than the Sony 1.2/50 GM because that lens had vignetting of 63%. Still, because of the bulk of the Nikkor we didn't expect any other result of this duel.
By f/1.4 vignetting decreases to 49% (−1.92 EV), and by f/2.0 it drops to a value of 30% (−1.02 EV). More serious problems end near f/2.8, where vignetting, as measured by us, amounted to 21% (−0.68 EV). By f/4.0 that aberration decreases to 15% (−0.46 EV) and after that point it doesn't react to any further stopping down of the apperture. Here the Nikkor fares better than the Sony as the minimum vignetting level of the rival lens was 29%.
| Nikon Z7, JPEG, f/1.2 |
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