Sony a7R III is a versatile, high-performance camera known for its multimedia versatility. This updated Fast Hybrid AF System can focus in a variety of lighting conditions effectively. In addition to speed and AF, the processing improvements also help in greater image clarity. It benefits both stills and video operation. The dual SD memory card enables greater shooting flexibility.The a7R III is the most significant improvement over its predecessor. The USB port has been upgraded from a USB 3.1 Gen 1 Type-C Port to a faster USB 3.2 Gen 1 Type-C Port