All the features to give photographers perfect control in telephoto macro photography, such as a focus-hold button, focus-range limiter and detachab

All the features to give photographers perfect control in telephoto macro photography, such as a focus-hold button, focus-range limiter and detachable tripod-mounting collar. In addition, the AF 200mm f/4 MACRO APO G provides sure grip by the development of a mechanism which automatically makes the focusing ring inactive for sure holding in the cameras AF mode, and activates it in MF mode.