Nikon's proprietary 3-pin Coolpix TTL flash
connection to a dedicated Nikon hot shoe.
Compatible with Nikon Coolpix 4500, 995, 990, 950 and 900s Digital Cameras and
the following Nikon Speedlights:
SB-50DX, SB-28DX, SB-80DX, SB-28, SB-26, SB-25, SB-24, SB-22, SB-22s.
For more information about, Nikon AS-E900 Multi Flash Adapter website.