The Sigma AF 70-210mm f/4-5.6 APO UC is a tele lens for FF and APS-C, manufactured from 1993 to 2000 (discontinued). The focusing is performed by In-camera AF motor. The 70-210mm effectively covers the commonly used focal range. The lightweight and compact lens features 13 elements in 9 groups, 7-blade diaphragm, 34° to 11° viewing angle and 52mm filter thread. The ZEN finish assist in preventing reflections and is designed to withstand the demands of tough environments.