Fringer Canon EF to Fujifilm X firmware v1.20

Fringer · Released Aug 4, 2019 · First seen Jul 19, 2026

v1.20 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

  1. BUG fixed: When doing contrast AF under circumstances like low light, some new lens models, e.g. SIGMA50-100/1.8, may be error prone and result in low successful rate.
  2. Fixed PDAF issues for some of the following lens models: Lens didn’t get reco​gnized by the adapter due to different lens firmware version.
  3. SIGMA 120-300/2.8 Sports
  4. AF performance of following lenses have been improved further.
  5. Sigma 18-200/3.5-6.3 OS Contemporary
  6. EF85/1.8 USM
  7. EF70-200/2.8L USM
  8. EF70-200/2.8L IS USM
  9. Added following lenses to the tested and optimized lens list:
  10. EF28/1.8 USM
  11. EF35/2
  12. EFS60/2.8 Macro USM
  13. EF70-200/2.8L USM + 1.4X
  14. EF70-200/2.8L USM + 2X
  15. EF70-200/2.8L IS USM + 1.4X
  16. EF70-200/2.8L IS USM + 2X
  17. TAMRON16-300/3.5-6.3 VC PZD
  18. TAMRON SP 35-150/2.8-4 Di VC O​SD A043
  19. YONGNUO50/1.4 (PDAF performance may not be stable due to poor aperture motor of the lens. Try setting shutter speed manually and use MF mode if necessary.)

10

updatemystuff.com never hosts firmware files — always download from the official source.

Get it from Fringer

Watch the Canon EF to Fujifilm X for updates

Create a free account and get an email the moment Fringer publishes new firmware.

Create account & watch

Other versions for this product

See the full firmware history for the Canon EF to Fujifilm X