Amazon.com : Nikon SB-24 Speedlight Flash : On Camera Shoe Mount Flashes : Electronics
Amazon.com : Godox TT685II-N TT685IIN Flash for Nikon Camera, 2.4G Wireless X System GN60 TTL 1/8000s HSS Flash, 0.1-2.6s Recycle Time, Quick-Release Lock, Speedlite Compatible for Nikon DSLR Cameras : Electronics
Amazon.com : Nikon D3100 Bounce, Zoom & Swivel Head Flash + High Powered AC Rapid Charger with 4AA 2900 Mah Batteries + Nwv Direct 5 Piece Cleaning Kit : Digital Camera Accessory Kits : Electronics
Amazon.com : Neewer TT560 Flash Speedlite for Canon Nikon Panasonic Olympus Pentax and Other DSLR Cameras,Digital Cameras with Standard Hot Shoe : On Camera Shoe Mount Flashes : Electronics