Fringer EX-FX (Pro) II Smart Autofocus Adapter Firmware 1.70 Released

Fringer has released firmware 1.60 for the Fringer EF-FX Pro II and Fringer EF-FX II smart autofocus adapters.

As requested by many users, Fringer finally found a Sigma 500mm F4 OS Sports lens and optimized it. Fringer says it performs very well on X-Trans IV cameras. A good choice for wild life!

The main improvements of firmware v1.70 include:

Version 1.70

1. Fixed PDAF issues for some lens of the following models: Lens didn’t get recognized by the adapter due to different lens firmware version.
   – Tamron SP 15-30/2.8 VC A012
2. AF performance of following lens has been improved further.
   – EF24-70/2.8L
   – EF24-70/2.8L II
   – EFS17-55/2.8 IS
3. Added following lenses to the tested and optimized lens list:
   – SIGMA 500/4.5 EX DG APO HSM
   – SIGMA 500/4 DG OS HSM SPORTS
   – SIGMA 500/4 DG OS HSM SPORTS + 1.4X
   – SIGMA 500/4 DG OS HSM SPORTS + 2X
   – SIGMA 14-24/2.8 DG HSM Art
   – TAMRON SP70-300/4-5.6 Di VC USM A005
4. Introduced smooth video AF for the following lens:
   – SIGMA 14-24/2.8 DG HSM Art
5. Fixed IBIS issues on X-H1 and X-T4:
   – ZEISS Planar T* 85mm f/1.4 ZE

You may download new firmware and its release notes from the Fringer website. Read the release notes or user manual to understand how to upgrade.

• Fringer EF-FX II: AmazonUS / BHphoto / Adorama
• Fringer EF-FX Pro II: AmazonUS / BHphoto / Adorama

via Fringer