Simply attach it to your lens to easily enjoy close-up photography! Capture images beyond the lens's minimum focusing distance. Recommended for lenses with a minimum focusing distance of 30-50cm. Combine two lenses for even closer shooting. / [Cross UP AC358S] The Close UP AC358S is an AC close-up lens that suppresses chromatic aberration and delivers excellent imaging power. It allows you to shoot within 33cm of the lens tip. This high-quality close-up lens features two elements in one group to correct chromatic aberration. Simply attach this close-up lens in front of your lens for the easiest close-up photography experience. Since there is no light loss, shutter speeds do not slow down. The AC Close-up Lens is a high-quality close-up lens with two elements in one group to correct chromatic aberration. It delivers superior imaging power and sharper images than single-element lenses. No. 3 is recommended for lenses with a minimum focusing distance of 30-50cm. Its effectiveness is minimal for lenses with a short minimum focusing distance. Combining two lenses allows you to get even closer. For example, combining No. 2 and No. 3 can be used as No. 5. ■ Specifications ■ Filter diameter: 58mm Lens construction: 1 group, 2 lenses Focal length: 330mm