Standard 3x zoom focal range for a wide range of shooting applicationsWeather-resistant to handle damp, inclement conditionsThe Pentax-original SP (Super Protect) coating repels dust, water and grease to keep your lens clean and your image quality at its peakThe Pentax-original quick-shift focus system allows instant switching from autofocus to manual focus operationAspherical elements help to compensate for spherical lens aberrationDeveloped specifically for Pentax digital SLR cameras