Canon has announced a wider recall for its EOS Rebel T4i/650D, in response to the discovery that a faulty batch of grips can turn white and produce an allergenic substance. The company has updated its web tool for identifying whether your camera might be affected and asks customers to check their camera's serial number if the sixth digit is a '1.' This applies even if you checked when the problem was first announced, back in July. It your camera is indicated to be affected, you should contact customer support in your territory.