Viltrox 13mm 23mm 33mm 56mm F1.4 lens is an ultra wide angle lens designed for Sony E mount APS-C cameras. It features a fast maximum aperture of F1.4, allowing for excellent low light performance and shallow depth of field control. The lens is constructed with high quality optical glass and features multiple coating layers to minimize flare and ghosting. It has a fast and accurate autofocus system, making it ideal for capturing both stills and videos. The Viltrox 13mm 23mm 33mm 56mm F1.4 lens is a versatile lens that is perfect for a wide range of photography and videography applications.