Sony AF 20mm f/2.8
Sony AF 20mm f/2.8 is a auto focus wide angle lens for full frame cameras.
Bright lens thanks to the high aperture value Has 7 aperture blades, mid-grade lenses usually have this amount of blades. Having rounded blades provides out of focus circle shape closer to a circle.
Weights 285 grams so consider putting to your camera bag. 53 mm long, requires consideration if you want to carry in the camera bag.