The Samyang AF 35-150mm f/2-2.8 Lens a versatile all-in-one zoom lens covers a broad range of focal lengths and is well-suited for portraiture, travel, sports, and wildlife photography. This lens has Impressively bright f/2-2.8 maximum aperture range for working in available light conditions, controlling depth of field, and isolating subject matter using selective focus techniques.  A fast all-around zoom, this lens supports the key features of Sony mirrorless bodies including Hybrid AF, Eye AF, Direct Manual Focus, and AF Assist. 9 diaphragm blades create a smooth and attractive bokeh. The lens offers outstanding edge-to-edge sharpness and optical performance throughout the entire zoom range, and the lens's linear stepping motor is fast and responsive for photographers and videographers. Weather-sealing design for utilizing the lens in inclement weather conditions.