Nikon Nikkor Z 180-600 mm f/5.6-6.3 VR
8. Vignetting
| Nikon Z7, APS-C/DX, JPEG, 180 mm, f/5.6 | Nikon Z7, APS-C/DX, JPEG, 180 mm, f/8.0 |
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| Nikon Z7, APS-C/DX, JPEG, 400 mm, f/6.0 | Nikon Z7, APS-C/DX, JPEG, 400 mm, f/8.0 |
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| Nikon Z7, APS-C/DX, JPEG, 600 mm, f/6.3 | Nikon Z7, APS-C/DX, JPEG, 600 mm, f/8.0 |
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In case of the smaller sensor the problems are completely negligible. At 180 mm and the maximum relative aperture the brightness loss in frame corners is completely imperceptible, amounting to just 3% (-0.09 EV). Very similar results you can observe at 400 mm – in its case at the maximum relative aperture that amounts to already f/6.0 vignetting reaches only 4% (-0.12 EV).
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Officially the highest level of vignetting can be observed at the 600 mm focal length but even there you deal with very small values. By f/6.3 this aberration reaches 13% (-0.41 EV) and it decreases to just 2% (-0.05 EV) after applying the f/8.0 aperture.
Now let's check the vignetting on full frame – appropriate thumbnails are presented below.
| Nikon Z7, FX, JPEG, 180 mm, f/5.6 | Nikon Z7, FX, JPEG, 180 mm, f/8.0 |
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| Nikon Z7, FX, JPEG, 400 mm, f/6.0 | Nikon Z7, FX, JPEG, 400 mm, f/8.0 |
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| Nikon Z7, FX, JPEG, 600 mm, f/6.3 | Nikon Z7, FX, JPEG, 600 mm, f/8.0 |
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There are a bit more problems here but the overall performance of the Nikkor should only be praised. By 180 mm and by f/5.6 the light fall-off in the frame corners amounts to just 23% (-0.76 EV) and it decreases to 16% (-0.51 EV) on stopping down the aperture to f/8.0. By f/11.0 vignetting becomes practically imperceptible, reaching just 11% (-0.32 EV).
The performance in the middle of the focal range is even a tad better. By f/6.0 this aberration reaches 21% (-0.69 EV), by f/8.0 it drops to 11% (-0.33 EV). By f/11.0 all problems end completely because our result amounts to just 4% (-0.13 EV).
The biggest chances to notice vignetting you get at the maximum focal length where by f/6.3 it reaches only 27% (-0.91 EV) and by f/8.0 it decreases to 13% (-0.42 EV). By f/11.0 all problems end completely with a result of just 3% (-0.10 EV).
Nowadays it is very rare that a zoom lens designed for full frame mirrorless cameras doesn't show at any point vignetting higher than 1 EV. The Nikkor Z 180-600 mm f/5.6-6.3 VR is an exception to this rule. It deserves to be praised especially that, like in the case of distortion, it fares noticeably better than the Sony 200-600 mm and the Tamron 150-500 mm. A round of applause!
| Nikon Z7, 180 mm, JPEG, f/5.6 |
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| Nikon Z7, 400 mm, JPEG, f/6.0 |
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| Nikon Z7, 600 mm, JPEG, f/6.3 |
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