Lens review

Fujifilm Fujinon XF 80 mm f/2.8 LM OIS WR Macro

14 December 2017
Arkadiusz Olech

4. Image resolution

The resolution test of the Fujinon XF 80 mm f/2.8 OIS WR Macro was based on RAW files from the Fujifim X-T2. The files were developed with dcraw program (with the 3-pass X-trans filter algorithm) and analyzed with the help of Imatest package.

Let’s remind here that the best fixed focal length lenses from the Fujifilm X system tested that way were able to reach 80 lpmm and the decency level we set near 44-45 lpmm. The record value of 83 lpmm belongs to the Fujinon XF 50 mm f/2 WR, one of the sharpest devices in the system.

How the Fujinon 2.8/80 Macro compares? The graph below shows its results.

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Fujifilm Fujinon XF 80 mm f/2.8 LM OIS WR Macro - Image resolution

The performance in the frame centre can be described by just one word: revelation. Already at the maximum relative aperture the MTFs get to a very high value of 76 lpmm and on stopping down to f/4.0 they exceed 82 lpmm so are, within the margin of error, the same as in the case of the aforementioned and excellent Fujinon 2/50.

The performance on the edge of the frame is good and, overall, it would be hard to have any serious reservations, with sharp images even at the maximum relative aperture. Still we are worried by a huge discrepancy between the performance in the frame centre and on the edge. It is a common effect for mirrorless systems but rarely seen when it comes to macro class devices designed for reflex cameras.

The differences between the frame centre and the edge of the full frame can be smaller than in the case of the Fujinon 2.8/80 which is, after all, a lens designed for smaller sensors. Keeping in mind the dimensions and the weight of the tested model it is really difficult to accept such big difference between the centre and the edge of the frame.

At the end of this part of the test traditionally we present crops taken from photos of our resolution testing chart, saved in JPEG format along RAW files we used for the analysis above.

Fujifilm X-T2, JPEG, f/2.8
Fujifilm Fujinon XF 80 mm f/2.8 LM OIS WR Macro - Image resolution
Fujifilm X-T2, JPEG, f/4.0
Fujifilm Fujinon XF 80 mm f/2.8 LM OIS WR Macro - Image resolution