Distinguished Carl Zeiss contrast and resolution draws out the best in a7 series complete frame E-mount bodies. The T * covering deals with an innovative optical design to reduce internal reflections, for superb contrast from highlights to deep blacks. In keeping with the Sonnar concept, a large F1.8 optimum aperture can produce beautiful full-frame background bokeh, however you likewise have the option of stopping down for extended depth-of-field.
Focal Length: 55mm, Filter Diameter: 49mm
Lens Type: Fixed, E-mount Full Frame, Lens not zoomable
Aperture (Min/Max): 22/1.8
Minimum Focus Distance: 19-11/16 inches (.50m)