This Sony FE 28mm f/2 lens review is based on my own personal impressions and experiences with this lens. Key Specifications First I'm going to list the key specifications of this Sony FE 28mm f/2 lens. For Sony E-mount (full frame format) Focal length: 28mm (full frame format), 42mm on APS-C Maximum aperture: f/2.0 Minimum aperture: f/22 Autofocus: Linear Actuator AF System Internal focus, has a manual focus ring Filter Diameter: 49mm Dimensions: ~ 2.52 x 2.36" (64.01 x 59.94 mm) Weight: 7.05 oz (200 g) It also takes optional Ultra-Wide & Fisheye Converters Sony...