The Kase 85mm f1.4 AF Lens for Sony E delivers precise autofocus via a quiet STM motor, making it ideal for stills and video. It features an optical design of 13 elements in 10 groups, including 5 low-dispersion and 2 high-refractive elements, ensuring edge-to-edge clarity. A 13-blade aperture diaphragm produces smooth bokeh, while the built-in Type-C port facilitates firmware updates. It includes a Kase Magic Filter for refined video control.