cylindrical shape metal or plastic construction multiple rings to adjust focus and zoom glass elements for capturing light a filter thread for attaching lens filters a mount for attaching to a camera body a diaphragm to control the amount of light entering the lens
cameralens which has cylindrical shape cameralens which has metal or plastic construction cameralens which has multiple rings to adjust focus and zoom cameralens which has glass elements for capturing light cameralens which is a filter thread for attaching lens filters cameralens which is a mount for attaching to a camera body cameralens which is a diaphragm to control the amount of light entering the lens