Nikon Nikkor Z MC 105 mm f/2.8 VR S
8. Vignetting
| Z7, APS-C/DX, f/2.8 | Z7, APS-C/DX, f/4.0 |
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At the maximum relative aperture vignetting is slight but noticeable, reaching 20% (−0.66 EV). By f/4.0 the problem becomes marginalized completely, amounting to just 3% (−0.09 EV).
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After passing to a bigger, full frame sensor it makes itself felt more and you can notice it very clearly in photos below.
| Z7, FF, f/2.8 | Z7, FF, f/4.0 |
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| Z7, FF, f/5.6 | Z7, FF, f/8.0 |
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Brightness loss in frame corners at the maximum relative aperture reaches 51% (-2.04 EV). It's a lot – the rival Sigma showed a result of just 36% and in case of the small Sony it was 53%.
Fortunately the vignetting of the tested Nikkor is very susceptible to stopping down the aperture. By f/4.0 it reaches 30% (-1.02 EV), by f/5.6 it decreases to 13% (-0.42 EV) and by f/8.0 it becomes completely imperceptible, with a result of just 2% (-0.05 EV).
| Nikon Z7, JPEG, 105 mm, f/2.8 |
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