Two Diopters- 7artisans diopter lens filter provide two kinds of diopter +1 (Recommend focal length 50-105mm) and +2 (Recommend focal length 35-85mm). Diopter +1 is more clear than +2 when applies on same lens. The larger the diopter, the longer the focal length, the more blurred. | Special Effect- The split diopter lens is capable of achieving multi-directional hazy effect, special light spot and axis shift effect and make your pictures and video have illusory, hazy, high-level sense and story sense. Refractive lens Filter is a ideal tool to blur and beautify the messy background to improve the overall picture effect. | Wide Application- The Handheld diopter lens can can be manipulated easily with one hand. The special effect filter is capable of in many scenes, like the foreground in live room, video, outside view, Still life photography and indoor shooting. | Easy Grip- The diopter equipped with a finger grip and two-section extended detachable handle, it is easy to hold in front of the lens to manipulate effects, and you can adjust the location to achieve the effect you want without PS. | Optical Glass Material- Camera prism filter is made of high quality ultra white optical glass with superior physical and optical properties of high quality float glass, which adopts high precision laser cutting and possesses transmittance Up to 99.5%, and can be used for a long time.