Top features: - Advanced optical performance with an aspherical ED lens - Fast and silent autofocus makes it easier to capture memorable images - Compact and lightweight design with a premium feel - Weather and dust resistant lets you shoot with confidence wherever you go Advanced optical performance The XF 50 mm f/2 features nine lens elements in seven groups, including one aspherical ED lens. This helps to prevent spherical and chromatic aberrations which can affect the quality of your images. With minimised variances in image quality, you can shoot at different distances with confidence.Fast and silent autofocus With its inner focusing AF system, the XF 50 mm has lightweight focusing elements driven by a stepping motor. This delivers a fast and silent autofocus performance, enabling you to capture memorable images with ease.Compact and lightweight design The lightweight XF 50 mm is a practical addition to your photography equipment. The metal exterior offers a robust, high quality-feel, whilst still being light enough for you to carry it around easily.Weather and dust resistant Weather-sealed and dust resistant, the lens can operate in temperatures as low as -10°C. Whether you are shooting in light rain or dusty conditions, the lens will make sure that you capture the image you're searching for.