Fringer EF-FX (Pro) II Firmware v1.70 Released For Wildlife and More

A new firmware (v1.70) has been released for Fringer EF-FX Pro II and EF-FX II.

As requested by many users, we finanlly found a Sigma 500/4 OS Sports lens and optimized it. It performs very well on X-Trans IV cameras. A good choice for wild life!

The main improvements of firmware v1.70 include:

2020/5/17

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 our website. Read the release notes or user’s manual to understand how to upgrade.