If the shooting distance of your original lens is short, select a close-up lens that makes it shorter. If the shooting distance of the original lens is long, select either No.1 or No.2. A premium close-up lens that employs a new coating to support digital cameras. The high performance lens consists of a set of two component lenses to suppress aberration. These lenses are close-up accessories attached at the leading edge of the lens, just the way filters are. The shooting distance of each lens can be calculated by the formula "1m /lens number.