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Fujifilm XF 400mm f/4.5 Sharpness Test on X-T50

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Fujifilm XF 400mm f/4.5 Sharpness Test on X-T50
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Fstoppers tests the Fujifilm XF 400mm f/4.5 on the X-T50, focusing on real-world sharpness. The lens covers a 600mm full-frame equivalent on X-mount and sits about two-thirds of a stop faster than Fujifilm's 500mm f/5.6.

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Fujinon XF 400mm f/4.5 Now Shipping

SEPTEMBER 14, 2026
Follow the storyXF 500mm F5.6 timelineX-T50 timelineXF400mm timeline
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FstoppersPRIMARY

Fujifilm XF 400mm f/4.5 Sharpness Test on X-T50

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Christopher Frost

Fujifilm XF 400mm f/4.5 R LM OIS WR camera lens review

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