Sony Releases Lens Firmware Update v02 for FE 100-400 GM Lens

Published: October 19, 2017


Sony has released lens firmware update version 02 for the FE 100-400/4.5-5.6 GM Lens for improved AF-C on Sony a9 mirrorless cameras while zooming.

What Does This Do?

This update (version 03) improves AF-C (continuous AF) performance for zooming when attached to an ILCE-9 camera (requires the latest ILCE-9 firmware update 1.10)

Note: The lens must be attached to an E-mount body camera to perform this update.
NEX-5, NEX-3, NEX-C3, NEX-VG10, and PXW-FS7 model cameras cannot be used.

Download Links:

Sony FE 100-400mm GM firmware update version 02
[Please Note: Mac OS 10.13 High Sierra users must first install Mac OS X Driver Loader before running any firmware updates.]

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5 thoughts on “Sony Releases Lens Firmware Update v02 for FE 100-400 GM Lens”

  1. Hi,

    couldn’t find a proper place for the info I’m going to write so sorry.

    A Warning!

    Used my FE 1.4 TC with my 100-400 GM lens yesterday and found something “new” The lens can’t zoom back all the way to the 100mm mark. it stops a few mm before the endpoint with a rubber feeling and “bounces back” if one try to get further and let go of the zoom ring. Didn’t used any force but just slightly tried to move it. believe it’s the “rubber nose” of the TC that get hit by the end part of the lens.
    Checked the lens and TC but no marks/scratches on either that I could see.
    Take care if you use this combo and try to zoom out allt the way.

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