The panasonic 20mm f17 lumix g ii asph g micro four thirds lens is a fast f17 prime lens suitable for a wide variety of occasions including landscapes portraits gigs interior shots and casual everyday shooting this portable lens features seven lenses in five groups and uses two aspherical lenses most effectively to minimise both distortion and chromatic aberrations achieving super high resolution corner to corner seven blades give the aperture a rounded shape that produces an attractive