Universal Hot Shoe Mount Adapter for Nikon Flash Sony NEX-C3 Camera
Amazon.com : Nikon SB-N7 Speedlight - For Select Nikon 1 Series Cameras (Black) : On Camera Shoe Mount Flashes : Electronics
Godox TT685II On-Camera Flash with Trigger Kit for Nikon Cameras
Nikon SB-18 Speedlight - Accessory – Kamerastore
Godox V1 Flash for Nikon V1-N B&H Photo Video
Flashes from Nikon
Amazon.com : Camera Flash W/LCD Display for DSLR & Mirrorless Cameras, External Flash Featuring a Standard Hot Flash Shoe, Universal Camera Flash for Canon, Sony, Nikon, Panasonic and Other Cameras with Pouch :