Fringer Canon EF to Fujifilm GFX firmware v1.50

Fringer · Released May 22, 2023 · First seen Jul 19, 2026

v1.50 is not the latest firmware for the Fringer Canon EF to Fujifilm GFX: the current version is v2.30 (September 28, 2026). Go to v2.30

What's in this update

  1. Added in-body vignetting and distortion correction profile for the following lenses.

Lens model Configuration item default Canon EF 50mm F1.2L USM ForceNativeEF5012L= 1 Canon EF 100-400mm f/4.5-5.6 L IS II USM ForceNativeEF100400LIS2 1 TAMRON SP 15-30mm F/2.8 Di VC USD A012 ForceNativeTamron1530VC 1 TAMRON SP 15-30mm F/2.8 Di VC USD G2 A041 ForceNativeTamron1530VCG2 1 NOTE: For some lenses, when the in-body correction is on, IBIS may not work properly.

Please use lens I​S instead or turn off the in-body correction if IBIS is

7

higher priority. To disable it for individual lens: change the corresponding configuration item’s value to 0.

  1. Fixed AF-not-working issue for the following lens and TC combinations:
  2. EF 100-400mm f/4.5-5.6L IS II USM + 1.4X
  3. EF 100-400mm f/4.5-5.6L IS II USM + 2X
  4. EF 400mm f/5.6L USM + 1.4X
  5. Added following lenses to the tested and optimized lens list:
  6. SIGMA APO 120-300​mm F2.8 EX DG OS HSM
  7. SIGMA APO 120-300mm F2.8 EX DG OS HSM + 1.4X
  8. SIGMA APO 120-300mm F2.8 EX DG OS HSM + 2X
  9. EF 100-400mm f/4.5-5.6L IS II USM + 1.4X
  10. EF 100-400mm f/4.5-5.6L IS II USM + 2X
  11. EF 400mm f/5.6L USM + 1.4X
  12. EF 500mm f/4L IS II USM
  13. EF 500mm f/4L IS II USM + 1.4X
  14. EF 500mm f/4L IS II USM + 2X
  15. EF 600mm f/4L IS II USM
  16. EF 600mm f/4L IS II USM + 1.4X
  17. EF 600mm f/4L IS II USM + 2X
  18. EF 800mm f/5.6L IS USM
  19. EF 800mm f/5.6L IS USM + 1.4X
  20. EF 800mm f/5.6L IS USM + 2X

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