Features: 【Material】Made of premidium solid Optical Glass material, provide the for great value of clarity and transparency.Made of nice optical glass and hardware, wear resistance and can provides long service for time. 【Features】An excellent prism gift as photography accessory to create cool refraction in photos.With this glass prism, you can sh-oot some interesting effects. In the scenes of people, scenery, night scenes, etc. 【Boutique】Our glass filter will be fully inspected before shipment, ensuring that the glass filter in the hands of every consumer is not flawed. 【Adapter】you can connect for w/ adapter ring to convert into lens in other diameter.Also a new way to observe the world, you can see a novel scenery, night scenes, and etc. 【Advantage】77mm diameter bayonet, only fit for 77mm lens.This is a cool tool for photography, make your photos unique without using any effects or for Photoshop. Specifications: Material: Glass Hardware Product size: 77mm Package Includes: 1 Piece filter kaleidoscope note: Please allow 0-1cm error due to manual measurement. Make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!