Nikon Close-up Attachment Lens #0 provides an easy way to increase magnification. The #0 can be used alone or with 1, 2, 3T, 4T, 5T or 6T close-up attachment lenses. When attached, you can use automatic exposure control and TTL metering. The higher the close-up lens number, the closer you can focus. The attachment lens is equipped with Nikon Integrated Coating to improve contrast and reduce flare. The close-up lens #0 are recommended for lenses with a focal length to 55mm. This lens has a 52mm filter thread and 0.7 Diopter.