Pentax 21977 - 18 mm to 135 mm - f/3.5 - 5.6 - Zoom Lens for Pentax KAF3

The SMC PENTAX DA 18-135mm F3.5-5.6 ED AL [IF] DC WR lens is designed exclusively for use with PENTAX digital SLR cameras. This interchangeable zoom lens features a simplified weather-resistant construction and extra-smooth autofocus operation using a built-in motor, in addition to its high 7.5x zoom ratio.