Description: This is a cool tool for photography, Creates Multiple Refractions & FX, make your photos unique without having to use any effects or Photoshop. Glass Part Diameter:100mm, Large Enough For Any Lens, Made of quality optical glass and hardware, wear resistance and can provides long service time. 2 Finger Rings design, for easy hand holding, single Finger Handle, easily hold in front of the lens to manipulate the effect A surprise prism gift as photography accessory to create cool refraction in photos. Specification: Material: Optical Glass Type: Special Effects Filter Glass Part Diameter:100mm/3.9 inch Applicable focal length : 35~105mm Size:16.5 x 14 x 3cm/6.5 x 5.5 x 1.2 inch Package Includes: 1 Piece Filter 1 Piece Shockproof Filter Bag 1 Piece Shockproof Filter Bag Note: 1.Please allow 1~3 cm error due to manual measurement, thanks. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Please understand, thank you.