APEXEL USA INC.: APEXEL 100mm Macro Lens + CPL Filter with Multi-Function Lens Clip.Get professional macro photography with just a phone.The macro 100mm lens is built with a high aperture to produce a blurring effect that makes the point light appear almost round while also enabling macro photography with a gentle and organic blur. The CPL Filter is used to make high-quality micro photographs and videos for you by removing undesirable reflections from metallic, glass, or water surfaces in order to boost color saturation and to restore high-definition picture quality without sacrificing the phone's original resolution.