I called the Office, they immediately answered that the diaphragm had died, the cost of repairs was 6500 the economy. "Tamronovtsy" are aware, therefore, since September 2022 Its pros: The main advantages are its versatility, they correctly write: "In one bottle" With its cons: Bought - March 2022, died - August 2022 (on vacation), writes error 01 (there is no connection between the lens and the camera).