Voigtlander Nokton 40mm f/1.2 Aspherical lens (In-Stock at Amazon for $1,059) is a slightly wider-than-normal prime is designed for full-frame Sony E-mount mirrorless cameras. Its comfortable focal length pairs with an impressively fast f/1.2 maximum aperture to enable notable control over depth of field for producing shallow depth-of-field, and this aperture also benefits working in difficult lighting.when shooting in low-light.
Along with its ultra-fast aperture is an optical design that uses two aspherical elements to suppress spherical aberrations and distortion for notable sharpness, clarity, and accurate rendering. The lens’s manual focus design permits working with subjects as close as 1.1 feet, and a Selective Aperture Control System allows you to de-click the manual aperture ring for smooth, silent exposure adjustment to suit filmmaking applications.
found via: SonyAlphaRumors