Features： 77mm diameter, broadly compatible with most DSLR camera lens, a piece of simple photography accessory that can achieve marvelous special effects. This whirlpool prism helps to form a distorted circle around the center, the center is clear while the around is blurry, perfect for portrait, night scene, landscapes photography, etc. The the distortion effects are adjustable through changing focal length and rotating the lens filter frame, more shooting effects are waiting for you to explore Comes with a cleaning cloth and a storage pouch, easy for keeping it clean and convenient for carrying during trip. Made from premium optical , has high light transmittance and excellent imaging effects, waterproof and scratch-proof. Specifications： Color: Black & transparent Material: Optical Product Size: Product Size: 7.7 * 7.7 * 1.8cm/ 3.03 * 3.03 * 0.42inch Product Weight: 103g/ 3.6oz Note： Color of cleaning cloth will be sent randomly. Package List： 1 * Filter 1 * Storage Bag 1 * Cleaning Cloth (Random Color)