The Fujifilm Fujinon XF 23-millimeter lens is compact, lightweight, and ultra-powerful. Featuring a fast and silent autofocus system, the lens can focus as fast as 0.05 seconds. It features 10 elements in six groups, including two aspherical elements to minimize fluctuations between different focal distances. The lens barrel is sealed, making it resistant to water, dust, and extreme temperatures. It can withstand temperatures as low as -10 degrees Celsius, so you can operate it in a variety of outdoor conditions.