Introduction Introduced at CES at the beginning of the year, the Panasonic Leica DG Nocticron 42.5mm (85mm equivalent) f1.2 ASPH OIS is an ultra high-speed and stabilized model designed to tackle portraits in available light.Unsurprisingly perhaps for a lens with a $1,600 ticket, it adopts an advanced optical formula consisting of 14 elements in total, arranged in 11 groups, including two aspheres, one low dispersion and one high refractive index glass element.Adopting a new “Nocticron” moniker for its high-speed design, the new model features Nano lens coating for improved contrast, a circular diaphragm consisting of nine-blades