Close-up Filter Kit 37 mm Lens Filter Accessory Kit Phone Camera Lens Clip Description: Close-up lens: Close-up lens. It's like a magnifying glass when you're watching the scene itself. Its front is convex to enlarge the image, while the back is slightly concave to reduce the curvature of the image field. Material: Made of optics, available in 4 different intensities: 1, 2, 4, 10. Function: These close-up lenses allow you to approach a distance less than the minimum focal length of standard camera lenses, just a few inches from the subject being photographed. Each close-up retains resolution and image while maintaining image size. Clip design: with 37 mm thread clip, fits any smartphone. Snap-fastened design, easy to attach the lens to the device. Portable and detachable, you can take photos with your devices at any time of travel. Widely used: The closure is designed for flowers, small collectibles and stamps, small creatures or any small objects that require close-up details. Specification: Material: Optical glass Glass lens: 3x3,7x0,5 cm/1,18x1,46x0,20 inch The package includes: 1 set of close-up kit