Feature 1 Suitable: The diameter of the camera lens vortex prism is 77mm, i.e. 3.03in, is suitable for 77mm lens, so that you can install it in your camera to meet needs. 2 Flexible: The 77mm vortex prism can connect the adapter ring to convert the lens with other diameters, providing a new way of taking photos for different landscapes, night scenes, etc. 3 Premium Material: The camera lens vortex filter is made of premium K10 optical glass, with high transparency, and aluminum alloy, wear resistant and has a long service life. 4 Special Effects: The camera filter prism can make photos appear distortion and other effects, the middle of the picture is clear, the surrounding of it is distorted or blurred, make the main body in your photos more prominent. 5 Easy to Use: The 77mm special effect filter is a cool photography tool to make your photos stand out without using any effects.Item Type: Camera Lens Vortex PrismMaterial: Glass, Aluminum Alloy Weight: Approx. 210g/7.41oz Color: As Shown Size: Diameter: Approx. 77mm/3.03in Package List1 x Camera Lens Vortex Prism1 x Wiping Cloth1 x Shockproof Storage Bag