Sony E 20mm F2.8Sony E 20mm F2. 8 Sony SKU: SEL20F28 Helix SKU: SYSEL20F28 Overview Broaden your view with a wide angle From a vast cliff to a stretching sandy beach, fit everything in with a 20 mm wide angle (30 mm in 35 mm equivalent focal length2) 2 With interchangeable lens cameras incorporating APS C type image sensor Rich detail from corner to corner Three parts inside the lens work together to fix blur and distortion, even the outer edges of your photos will