Features: It is very easy to hold and travel friendly addition to your photography accessories;Professional photographers to add some amazingly stunning effects on their shots; As lovely gifts for a student photographer, teacher or an enthusiastic kid on their birthday or Christmas day; Parents could show the kids a rainbow and to teach them to explore the mysteries of light Specification: Prism Ball Weight: 0.63pounds/ 10.16oz Triangular Prism Weight: 0.4 pounds/ 6.5oz Prism Ball size: 2.36 x 2.36 x 2.36 inchs/6 x 6 x 6cm Triangular Prism size: 5.1 x 1.18 x 1.18 inches/13 x 3 x 3cm How to creat the rainbow effect? When you want the rainbow color, please use direct natural sunlight. Artificial light, especially LED flashlights or LED and fluorescent bulbs maybe just have a very limited spectrum, not even. If your lens gets a bit crazy trying to focus, remember to switch to manual. It is recommended to use a lens of 50mm or more, more than 70mm is better Package Included: 1 x Round Crystal Ball 1 x Triangular Prism Crystal 1 x Cube Crystal Ball 1 x Microfiber Cloth Use Tips: Use the microfiber cloth to remove fingerprints after the shoot to make it ready for the next prism photography session