1、Magnify Object: The close up lens is colorless and transparent, which can magnify the object being photographed and increase the close up distance by more than 1 time. 2、Main Function: The close up lens is used to take photos of flowers, small collectibles, coins and stamps, insects, small creatures, or small objects that require close up details. 3、Product Features: Each marco close up lens can enlarge the image size while maintaining resolution and image clarity. 4、Optical Convex Lens: Feature: Made of high quality optical convex lenses, which can improve optical clarity and color fidelity. 5、Aluminum Frame: The aluminum alloy frame can prevent stray light from entering the edge of the filter, which is suitable for Nikon, for Fujifilm, for Sony and other cameras.