Firmware 1.9 for the Viltrox EF-NEX smart adapter was released the other day. It adds supports for the following lenses.
EF-NEX-IV_version-1.9：
Fixed compatibility of multiple Third-party lenses
Increased compatible lens:
Canon EF 24-70mm f/2.8 L USM
Tamron SP 85mm f/1.8 Di VC USD
Tamron SP 15-30mm f/2.8 USD
YongNuo EF 50mm f/1.4 ii
Tamron EF 28-105mm f/2.8
SIGMA 35mm f/1.4 DC
SIGMA 17-70mm f/2.8 DC
SIGMA 50mm f/1.4 DG
Canon EF-S 55-250mm f/4-5.6 IS STM
SIGMA 70-200mm f/2.8 APO DG HSM
YongNuo EF 14mm f/2.8
Canon EF 100mm f/2.8L IS USM
YongNuo EF 50mm f/1.4 ii
SIGMA 85mm f/1.4 DG
Canon EF 35 F2
Tamron EF 17-35mm f/2.8-4 Di OSD
Canon EF-S 18-55mm f/4-5.6 IS STM
EF-NEX-IV Test-v041：
Test version reform CDAF mode, The CDAF now simulates the hybrid focus of the original lens, improving focus performance.
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