Nikon WG-AS1 Water Guard for D3 Camera's Hot Shoe when used with SB-900 Flash IOGEAR GUS404 Creates a starburst effect from

Nikon WG AS1 Water Guard for D3 Camera's Hot Shoe when used with SB 900 Flash IOGEAR GUS404 Creates a starburst effect from Creates a starburst effect from point light sources within an image Starburst effect features 14 primary diffraction spikes which extend from the light source which is given an elliptical shape Diffraction spikes are arranged in a pattern where seven primary diffraction spikes are grouped along both sides of the elliptically shaped light source that are furthest from each other Aluminum alloy filter ring for durability while remaining lightweight Filter ring can be rotated for direction control of the diffraction spikes and overall orientation of the starburst effect 58mm front filter threads allow for use with other filters Plastic case for storage and transport they maintain 70% of their charge