Nikon Nikkor Z MC 50 mm f/2.8
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 noticeable, reaching 26% (−0.87 EV), but not especially high. By f/4.0 this aberration's level decreases to an imperceptible value of 9% (-0.27 EV).
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After passing to a bigger full frame sensor the vignetting becomes a bit more bothersome and photos below show it quite clearly.
| 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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The loss of light in frame corners at the maximum relative aperture reaches 50% (-1.99 EV). It's a lot but still the situation is better than the performance of lenses designed for full frame mirrorless cameras – in their case vignetting at the maximum relative aperture is rarely lower than 2 EV.
On stopping down the aperture to f/4.0 vignetting decreases to 31% (-1.07 EV), and by f/5.6 it drops further to 17% (-0.54 EV). Another slight decrease of this aberration can be observed by f/8.0, where it amounts to 15% (-0.48 EV). Further stopping down doesn't produce any measureable effects in this area.
| Nikon Z7, JPEG, f/2.8 |
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