42mm · f/1.2
The Leica DG Nocticron 42.5mm f/1.2 is a premium short telephoto lens for Micro Four Thirds, offering an 85mm equivalent. Optically, it delivers excellent sharpness wide open, beautiful bokeh, and good color/contrast. Weaknesses include significant size and weight, and the aperture ring is incompatible with Olympus bodies. Build quality is exceptional, with all-metal construction and smooth controls. It suits photographers seeking the best optical performance and a 'Leica look' despite the high cost, but cheaper alternatives like the Olympus 45mm f/1.8 exist.