Fujifilm XF400mm

30 July 2026 · Lens Rumour

Per FujiRumors, Fujifilm is planning to launch a Fujinon XF400mm lens alongside the X-T6 in early September. Aperture is unconfirmed — FujiRumors is running a reader poll on whether f/2.8, f/4.0, or f/5.6+ would be the preferred spec.

5 Aug 2026 · Lens Rumour

FujiRumors says multiple trusted sources have pinned down the aperture of the Fujinon XF 400mm, a lens that's been on Fujifilm's roadmap for some time. The lens is reportedly slated for a September announcement alongside the X-T6. The actual f-number sits behind a subscription wall, so head to FujiRumors for the confirmed figure.

3 Sept 2026 · Camera Rumour

Per FujiRumors, the Fujifilm X-T6 has missed its expected September 4 announcement window. Fujifilm has officially acknowledged component shortages and rising costs as ongoing challenges. The slip also puts the XF400mm and XF50-140mm II lens timelines in question, though no revised dates have been confirmed.

4 Sept 2026 · Lens Rumour

FujiRumors has posted what it claims is a genuine leaked image of the Fujinon XF 400mm f/4.5, with an announcement flagged for tomorrow. Per the same site's earlier reporting, the lens was slated to launch alongside the X-T6 and XF 50-140mm MKII before the X-T6 was delayed.

10 Sept 2026 · Lens News

Fujifilm's XF400mm f/4.5 is now open for preorder through Amazon and a wide spread of retailers across the US, UK, Canada, Germany, and Europe. No AUD pricing or Australian availability confirmed yet, worth watching local retailers.

15 Sept 2026 · Lens News

The Fujinon XF 400mm f/4.5 is now shipping from B&H and major retailers across the US, Canada, UK, and Germany. Pre-orders have converted to in-stock status internationally.

18 Oct 2026 · Lens Review

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.