Fujifilm XF100-400mmF4.5-5.6 R LM OIS WR firmware

Firmware history

1. Version 1.30 Latest Released Apr 27, 2023 First seen Jul 4, 2026
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   The firmware update Ver.1.30 from Ver.1.21 incorporates the following issues:

   • Aperture control para​meters have been optimized to improve exposure tracking during movie taking.
   • Focusing motor noise variation during movie taking has been stabilized.
   • Focus tracking at zooming operation has been improved during movie taking.

   Note This enhancement No.3 requires the fo​llowing cameras with latest firmware versions.

   Please make sure to upgrade camera firmware to the latest version before upgrading the lens firmware.

   Link to the camera list Required cameras: X-H2S (Ver.1.00 or later), X-H2 (Ver.1.00 or later), X-T5 (Ver.1.00 or later), X-T4 (Ver.1.60 or later), X-T3 (Ver.4.40 or later), X-S10 (Ver.2.50 or later)

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2. Version 1.21 First seen Jul 4, 2026
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   The firmware update Ver.1.21 f​rom Ver.1.20 incorporates the ​following issue:

   • Fix of minor bugs.
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3. Version 1.20 First seen Jul 4, 2026
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   The firmware up​date Ver.1.20 from Ver.1.11 incorporates the following issue:

   • Compatibility with FUJINON TELECONVE​RTER XF1.4X TC F2 WR (bundled with XF200mmF2 R LM OIS WR) is added.
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4. Version 1.11 First seen Jul 4, 2026
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   The firmware update Ver.1.11 from Ver.1.01 and Ver.1.10 incorporates the following issues:

   • The lenses will deliver superior performance in combination with FUJINON Tele Converter XF 2X TC WR.
   • The f​irmware Ver.1.10 or later of XF100-400mmF4.5-5.6 R LM OIS WR should be installed.
   • The firmware upgrade of the lenses should be conducted after the upgrade of camera’s firmware upgrade.

   Camera Body / Lens Firmware Compatibility Table

   • The accuracy of Manual focus adjustment ​will be enhanced when using one with cameras below.

   X-E1 / X-E2 / X-E2S / X-Pro1 / X-Pro2 / X-T1 / X-T10 It is necessary to upgrade the firmware of cameras above at the same time. Camera Body Firmware Compatibility Table

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5. Version 1.01 First seen Jul 4, 2026
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   The firmware update Ver.1.01 from Ver​.1.00 incorporates the following issues:

   • AF tracking performance on AF-C and Movie mode w​ill be improved when they are attached to FUJIFILM X-Pro1or X-E1.
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