This is a kind of quality Vortex prism, which is made of quality optical glass and hardware, is wear-resistant and can provide long service time. Bayonet diameter 77 mm, only suitable for 77 mm lenses. Or you can connect it with adapter rings to convert it into lenses of another diameter. With this crystal prism, you can get some interesting effects while taking a photograph. You can try.
Specifications:
Name: Kaleidoscope Prism
Material: optical glass + hardware
Diameter: 77 mm/3.03 inches.
Package size: 85 x 85 x 30 mm/3.35 x 3.35 x 1.18 inches.
Package weight: 222g/7.83oz
Packing list:
1 x Vortex Prism