Fujifilm Fujinon XF 80 mm f/2.8 LM OIS WR Macro
7. Coma, astigmatism and bokeh
X-T2, f/2.8, center | X-T2, f/2.8, corner |
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X-T2, f/4.0, center | X-T2, f/4.0, corner |
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The astigmatism, understood as an average difference between horizontal and vertical MTF50 function values, is negligible. In our test it amounted to 2.5%; it means that aberration level can be called very low.
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Defocused light circles look nice. The light spread is very even and a slight rim on the very edge is the only feature that sticks out. Still mechanical vignetting is a problem as, at the maximum relative aperture, it truncates the circle in the frame corner very distinctly.
X-T2, f/2.8, center | X-T2, f/2.8, corner |
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X-T2, f/4.0, center | X-T2, f/4.0, corner |
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X-T2, f/5.6, center | X-T2, f/5.6, corner |
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