Description: Close Up Lens: Close up lens, It is like a magnifying glass when viewing the scene alone. Its front is convex to magnify the image, while the back is slightly concave to reduce the Image field curvature. Material: Made of optical magnifier Filters are available in 4 different intensities: +1, +2, +4, +10. Function: These close up lenses let you get closer than the minimum focal length of standard camera lenses just inches from your subject, Each close up maintains resolution and image sharpness while upscaling the size of the image. Clip on Design: With 37mm thread clip, different camera lens filters fit for any smartphones. clip on design, easy to secure lens firmly on your device. Portable and detachable, you can take pictures with your devices at any time during traveling. Widely Used: The close up set is for shooting flowers, small collectibles, coins and stamps, , small creatures, or any small objects that require close up detail. Specification: Material: Optical glass + plastic Glass lens: 3 x 3.7 x 0.5cm/1.18X1.46X0.20inch Package Includes: 1 Set Close up Filter Kit Note: 1. Please allow slightly error due to manual measurement. 2. Due to the difference between different monitors, the picture may not reflect the actual color of the item. 3. Wish you a wonderful online shopping!