Dual focus function, the adapter is equipped with a C/P focus mode switch, two focus modes can be quickly switched, the focusing speed is fast, the focus success rate is high, and the focusing speed is effectively improved. USB software upgrade technology, upgrade compatible with new cameras and new lenses on the market. Ultra-fast focusing speed, AF autofocus, providing quick and accurate detection of focus direction and target. Extremely strong compatibility. Suitable for use on Sony E-mount camera bodies, you can transfer the EF/EF-S lens group to the Sony E-mount camera body through the new adapter. Gold-plated electronic contacts, using high-precision injection molding technology to ensure effective signal and corrosion resistance, allowing the camera and lens to maintain reliable communication, achieving autofocus, aperture control, EXIF information transmission.