As of my last knowledge update in January 2022, there is no specific information available about a Canon lens with the designation “118-L305-RF 70-200 F4.” It’s possible that this lens has been released or announced after my last update, or there might be a misunderstanding in the provided information. To obtain accurate and up-to-date details about this particular Canon lens model, I recommend checking the official Canon website, reputable photography retailers, or contacting Canon’s customer support for the latest information on lens specifications, features, and availability.