The XF 1.4/23 mm is one of Fujifilm's fast, weather-sealed fixed focal lengths. Priced at 950 euros, it consistently delivers very high performance in the centre of the frame at all three measured apertures. Here, the camera is the limiting factor. But it can do even more: the edge drop is low when open, at aperture 5.6 it is even very low - this also applies equally to resolution and contrast...