Nikon F2 and it's various incantations was a war photographers' dream.
Nikon F - F2 flash hot-shoe adapter – TheVintageLensGuy
Nikon F2 Photomic: The SLR by which all others are judged – - Daniel J. Schneider
Nikon F2 - Neil Kohl
The Nikon F2: an everyday camera for the 21st Century - EMULSIVE
Nikon F & F2 Shared Resources: Hotshoe-mount Flashes
Nippon Kogaku & Nikon F/F2 Flash Unit Couplers
EXC++ NIKON FLASH COUPLER HOT SHOE ADAPTER FOR F, F2, F2A, F2AS – RecycledPhoto
Amazon.com: Film Digitizing Adapter Set with LED Light Replaces Nikon ES-2 Convert 35mm Negative Film & Slide to Digital Photos Images for Canon Sony Nikon Lens : Electronics