SONY Converter Lens APS-C Ultra Wide VCL-ECU2 For 16mm 2.8 20mm 2.8 From Japan
Experience ultra-wide-angle perspectives easily with the E 16mm F2.8 and E 20mm F2.8 compatible converter. When attached to the E 16mm F2.8, the focal length is 12mm. When attached to the E 20mm F2.8, the focal length is 16mm.