Working with Flash - Nikon D600 For Dummies [Book]
D600 DX Mode 1/400th Manual Flash Sync - YouTube
Nikon D600 - Wikipedia
Nauticam Flash trigger for Nikon (DSLR-FX)
Nikon D600 Two Lens Camera Bundle Includes 24-85mm lens, 70-300mm lens, shoulder bag, 32GB Speed Class 10 SDHC memory card, and WU-1b wireless Wi-Fi® adapter at Crutchfield
Amazon.com : MEKE MK-14EXT-N I-TTL Macro Ring Flash Compatible with Nikon D7100 D7000 D5200 D5100 D5000 D3500 D3200 D3100 D90 D300S D600 with LED AF Assist Lamp : Electronics
Nikon launches the D600, its smallest, lightest, and cheapest full-frame DSLR - The Verge
Ikelite Underwater Housing for Nikon D600 & D610 Cameras