Since the camera is working in AV mode, the camera's exposure meter automatically determines the exposure time of the respective recording. However, it must be taken into account that the focusing and aperture must be adjusted manually on the lens. (For AF lenses with aperture trick: The lens is attached to the camera in the normal position and the desired aperture is set. When the aperture button is pressed, the lens is removed from the camera and the set aperture remains. Batteries must not be disposed of with household waste. You are legally obliged to return old batteries so that they can be disposed of correctly. You can hand in used batteries at a municipal collection point or at your local store. You also have the option of sending old batteries from our items back to us with suffic