The Fujifilm GF23mmF4 R LM WR is an ultra-wide 18mm-equivalent prime lens for the GFX medium format system, with weather resistance and linear motor autofocus. It provides a distinctive wide-angle perspective for landscape and architectural photography.
Product released: October 25, 2018
Latest firmware version
Version 1.10, released June 20, 2019
Last checked for updates: Oct 31, 2026 04:00 UTC
What's new in version 1.10
The firmware update Ver.1.10 from Ver.1.00 incorporates the following issue:
Compatibility with Phase detection AF function is added.
Currently, this upgrade is for GFX100 with the Phase detection AF function.
The Fujifilm GF23mmF4 R LM WR is an ultra-wide 18mm-equivalent prime lens for the GFX medium format system, with weather resistance and linear motor autofocus. It provides a distinctive wide-angle perspective for landscape and architectural photography. It was originally released on October 25, 2018.
What is the latest firmware version of Fujifilm GF23mmF4 R LM WR?
The latest firmware version of Fujifilm GF23mmF4 R LM WR is 1.10. It was released on June 20, 2019.
What changed in Fujifilm GF23mmF4 R LM WR firmware version 1.10?
Fujifilm GF23mmF4 R LM WR firmware version 1.10 includes the following changes: The firmware update Ver.1.10 from Ver.1.00 incorporates the following issue:
Compatibility with Phase detection AF function is added.
Currently, this upgrade is for GFX100 with the Phase detection AF function.
Where can I download the latest Fujifilm GF23mmF4 R LM WR firmware?
Details and download instructions for the latest Fujifilm GF23mmF4 R LM WR firmware (version 1.10) are on Fujifilm's official release page: https://fujifilm-x.com/en-us/support/download/firmware/lenses/gf23mmf4-r-lm-wr/