Advantages: the JONGSUN split dioptre prism special effect filter is a creative way to take your photos and give them a different feeling. Split dioptre prism can provide a unique creative photo experience. Features: JONGSUN split dioptre prism special effect filter, a surprising prism gift as a photo accessory to create cool refraction effects in your photos. With this glass prism, you can shoot some interesting effects. With people, landscape, night scenes and other scenes, I hope you can play more unexpected tricks. Material: High-quality solid optical glass material that provides a high value of clarity and transparency. Made of high quality optical glass and hardware, it is wear-resistant and can be used for a long time. Effect: The JONGSUN split dioptre prism special effect filter offers you several refractions of a single image depending on the focal length. The effect is different at different focal lengths. It is recommended that the shooting aperture range is between 2.8 and 7.0. lies Flexible use: this filter is only 77 mm, but other sizes can be obtained via an adapter ring. If you want a different adapter ring size, search for "JONGSUN adapter ring". If you can't find it, please contact us.