Features: [Material] Made from high-quality, solid optical glass material, offering excellent clarity and transparency. Crafted from fine optical glass and durable hardware, long-lasting and resistant to wear. [Function] An outstanding prism accessory for photography, creating cool refraction effects in photos. With this glass prism, you can capture interesting effects in scenes with people, landscapes, night scenes, etc. [Boutique] Our glass filter undergoes thorough inspection before delivery, ensuring that every consumer receives a defect-free filter. [Adapter] You can connect with an adapter ring to convert to lenses of different diameters. Also a new way to observe the world, allowing you to see new landscapes, night scenes, etc. [Advantage] 77 mm diameter bayonet design, fits only 77 mm lenses. This is a cool tool for photography, making your photos unique without using any effects or Photoshop. Specifications: Material: Glass + Hardware + Aluminum Alloy Product Size: 77mm Note: Allow for slight measurement errors due to manual measurement and different monitors.