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Loss in sharpness on XF50-140mm after drop and repair

iconara

By iconara
in Fuji X Lenses

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iconara Rookie

iconara

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I just got my XF50-140mm repaired by Fujifilm in the UK after I dropped it, damaging the mount and metal around the front element. Now I'm noticing that it's no longer as sharp when I open it beyond f/5.6. I've never been able to see any sharpness difference on this lens from f/2.8 to f/8, but now there is a distinct loss in sharpness from f/5.6 to f/4 and again to f/2.8. It's more noticeable when zoomed in to 140mm, but it can be seen at 50mm too if you compare photos side-by-side.

Is this something I should have expected Fujifilm repair to discover and fix? When I sent it in I explained I had dropped it and that the mount and front metal was damaged. I know the sharpness loss was not there before the drop since I have photos, but I don't know if the loss in sharpness is due to damage from the fall, or from the repair not being properly quality tested.

What should I do? Can I request that Fujifilm fix this? Should they have picked up on this during the repair?

Another factor in this is that due to Brexit it took over four months to get the lens repaired. It was stuck in UK customs both on the way to the UK (from Sweden) and on the way back. I really don't want to have to send it in again and get it back in September or October.

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