1. Make your photos unique without using any effects and Photoshop; 2. The glass prism creates a cool refraction effect in the photo, which can produce some interesting effects on scenes such as characters, landscapes, and night scenes 3. Adopt high-quality optical glass material with high clarity and transparency 4. A wide range of application scenarios to help you take more unexpected photos 5. Material: glass + metal 6. Different focal lengths have different effects 7. Bayonet diameter: 49mm, 58mm, 67mm, 77mm, 82mm 8. Suitable for all filter diameters of 49mm, 58mm, 67mm, 77mm, 82mm lenses, other sizes need to be used with an adapter ring