With incredible AF speed impressive subject tracking high-resolution 4K movie recording. A Class 10 or higher SDHC SDXC card is required for XAVC S format movie recording. A UHS-I U3 SDHC SDXC card is required for 100Mbps and other high-level features. The alpha 6100 takes care of the details so you can concentrate on creative still photography and dynamic movie-making.