Fujifilm Fujinon XF 56 mm f/1.2 R
8. Vignetting
| JPEG | RAW |
| f/1.2 | f/1.2 |
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| f/1.4 | f/1.4 |
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| f/2.0 | f/2.0 |
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| f/2.8 | f/2.8 |
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In JPEG files its level is noticeable only by f/1.2, f/1.4 and f/2.0, amounting respectively to 24% (−0.80 EV), 17% (−0.53 EV) and 16% (−0.50 EV). By f/2.8 the problem disappears almost completely, reaching just 5% (-0.16 EV).
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Much more problems can be observed in RAW files. At the maximum relative aperture you have to take into account the loss of 45% of light in the frame corners (-1.75 EV). That value decreases to 40% (-1.48 EV) on stopping down to f/1.4 and to 22% (-0.72 EV) after applying f/2.0 aperture. By f/2.8 there are no more vignetting issues as that aberration’s level reaches just 9% (-0.26 EV).
Although the results of the Fujinon in this category might seem significantly high, they are still looking good when compared to full frame 85 mm class lenses. The Fujinon is faster but at its maximum relative aperture its vignetting is on the same level as that of full frame devices by f/1.4-1.8. What’s more, its light fall-off disappears completely on stopping down the aperture to f/2.8 and its full frame rivals have to be stopped down to near f/4.0 to achieve a similar result.
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