Fringer Canon EF to Fujifilm X firmware `v1.50`

Fringer · Released Feb 14, 2020 · First seen Jul 19, 2026

v1.50 is not the latest firmware for the Fringer Canon EF to Fujifilm X: the current version is v3.10 (September 29, 2026). Go to v3.10

What's in this update

Bug fixed: Focal length was always 300mm when using EF300/2.8L II with 1.4X and 2X TCs. Now it’s 420mm for 1.4X and 600mm for 2X.
AF performance of following lens has been improved further.
EF24-105/4L IS II
Introduced smooth video AF for the following lens.
EF24-105/4L IS II
Added following lenses to the tested and optimized lens list:
EF28-135/3.5-5.6 IS USM
EF50/1.0L
TAMRON SP 24-70/2.8 VC A007
Bug fixed: Some of TAMRON17-50/2.8 VC B005 were wrongly recognized as SIGMA 17-50/2.8 and cause AF malfunctions.

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