Canon EF 100-400mm f/4.5-5.6L IS II USM

Canon EF 100-400mm f/4.5-5.6L IS II USM firmware

Canon · EF 100-400mm f/4.5-5.6L IS II USM · EF 100-400mm f/4.5-5.6L IS II USM · Lens

Latest firmware for the Canon EF 100-400mm f/4.5-5.6L IS II USM is v1.0.7 (October 21, 2020).

Specifications

EF 100-400mm f/4.5-5.6L IS II USM specifications

Focal length
100-400mm
Maximum aperture
F4.5-5.6
Minimum aperture
F32
Type
Zoom Lens
Filter thread
77 mm
Elements / groups
21/16
Aperture blades
9
Closest focus
0.98 m
Maximum magnification
0.31×
Stabilisation
Yes
Autofocus
Yes
Mount
Canon EF
Weight
1570 g
Dimensions
193 × 94 mm

Changelog

EF 100-400mm f/4.5-5.6L IS II USM firmware changelog

  1. v1.0.7 first tracked

Firmware history

  1. Version 1.0.7 Latest Released Oct 21, 2020 First seen Jul 10, 2026
    Show release notes

    Firmware Version 1.0.7 incorporates the following fix.

    Fixes a phenomenon, in rare cases, the IS mechanism may cause the i​mage to jump.

    Firmware Version 1.0.7 is for lenses with Firmware Version 1.0.6 or earlier.

    If the lens' firmware is already Version 1.0.7, it is not necessary to update the firmware.

    The lens' firmware version can be checked from the camera's menu.

    Preparations for the Firmware Update: In the folder you downloaded are the firmware (File name: EF008107.lfu /File size:1,441,844 bytes) and instructions o​n the firmware update procedures (a PDF file in five languages: Japanese, English, French, Spanish, and Simplified Chinese).

    Before starting the firmware update operations, please be sure to carefully confirm your understanding of these instructions.

    Release notes & download

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