Capture an ultra-wide perspective with minimal distortion and excellent control over aberrations with the Sony 20mm f/2.8 Lens for full-frame A-mount cameras. This lens also offers a maximum aperture of f/2.8 for working in dim lighting and for selective focus effects. An internal autofocus motor works with a rear focusing design for fast AF performance and for providing a minimum focus distance of 9.8". Additionally, it has a seven-blade circular diaphragm for smooth bokeh.