Features: An amazing prism photo accessory that can create cool refraction effects in your photos. With this glass prism, you can shoot some interesting effects. In scenes such as characters, landscapes, night scenes, etc., I hope you can play more unexpected tricks.Material: Made of high-quality solid K10 optical glass, with ultra-high clarity and transparency. Made of high-quality optical glass and hardware, it is wear-resistant and can be used for a long time.Benefits: The 77mm diameter mount only works with 77mm lenses. Its a cool photography tool that makes your photos stand out without special effects or Photoshop.Advantages: The 77mm diameter mount only works with 77mm lenses. Its a cool photography tool that makes your photos stand out without special effects or Photoshop.