Combining a versatile wide-angle focal length with an especially fast design, the FUJIFILM G-mount IRIX 45mm f/1.4 GFX is a useful prime lens characterized by its manual focus operation and weather-sealed design. The bright f/1.4 maximum aperture excels in low-light conditions and also offers increased control over depth of field for working with selective focus techniques. The optical design incorporates a series of specialized elements to reduce a variety of aberrations in order to produce sharp and color-accurate imagery.