Viltrox EF-E II Speedbooster for Canon EF lenses on Sony E-Mount

• PDAF (phase detection autofocus): focus speed is faster
• CDAF (Contrast Detection Autofocus): Focus success rate is higher
• EXIF signal transmission
• Increases the aperture by 1 step
• Reduced focal length by 0.71 times
• Firmware update via USB

Canon
EF 11-24mm F4.0L USM
EF 16-35mm f / 2.8L II
EF 16-35mm f / 2.8 L III USM
EF 16-35mm f / 4.0 L IS USM
EF 17-40mm f / 4
EF 20-35mm f / 2.8 L
EF 20-35mm f / 3.5-4.5 USM
EF 24-70mm f / 4L IS USM
EF 24-70mm f / 2.8L II USM
EF 24-105mm f / 4L IS
EF 24-85mm f / 3.5-4.5 USM
EF 24-105mm f / 3.5-4.5
EF 28-80mm f / 3.5-5.6 II
EF 28-135mm f / 3.5-5.6 IS // E7
EF 70-200mm f / 2.8L IS II USM
EF 70-200mm f / 4L
EF 70-300mm f / 4-5.6 IS USM
EF 70-300mm f / 4.5-5.6 DO IS USM
EF 70-200mm f / 4L IS USM
EF 70-300mm f / 4-5.6L IS USM
EF 14mm f / 2.8 L
EF 24mm f / 1.4L II USM
EF 24mm f / 2.8
EF 24mm f / 1.4L
EF 28mm f / 1.8
EF 35mm f / 1.4L
EF 35mm f / 2.0L
EF 40mm f / 2.8 STM
EF 50mm f / 1.8 II
EF 50mm f / 1.4 USM
EF 50mm f / 1.2L USM
EF 50mm f / 2.5
EF 50mm f / 1.8 STM
EF-S 60mm f / 2.8 USM
EF 85mm f / 1.8 USM
EF 85mm f / 1.2L II USM
EF 100mm f / 2.0
EF 100mm f / 2.8 Macro
EF 135mm f / 2.0L
MACRO EF 180mm f / 3.5 L
EF 180mm f / 3.5L
EF 200mm f / 2.8L
EF 300mm f / 4L IS
EF 400mm f / 4.0 DO IS USM
EF 400mm f / 5.6L
EF 500mm f / 4L IS USM

Tamron
SP 15-30mm f / 2.8Di USD
SP24-70mm f / 2.8 Di- VC USD G2
SP24-70mm f / 2.8 Di- USD A007
SP28-75mm f / 2.8 MACRO
SP 70-300mm f / 4-5.8 Di VC
SP100-400mm f / 4-6.3 Di VC USD
SP 85mm f / 1.8 Di VC USD
SP35MM F1.8 DI VC USD

Sigma
10-20mm f / 4-5.6 HSM
24-35mm f / 2 DG
24-70mm f / 2.8 DG
70-300mm f / 4-5.6 DG
120-300mm f / 2.8 DG
24mm f / 1.4 DG
35mm f / 1.4 DG
85mm f / 1.4 DG

YongNuo
YN EF 50mm f / 1.8
YN EF 14mm f / 2.8
YN EF 35mm f / 2.0
YN EF 100mm f / 2.0
YN EF50mm f / 1.4
YN EF 85mm f / 1.8 (Manual focus only)