Amazon.com : Godox Xpro-N i-TTL Flash Trigger Transmitter 2.4G Wireless X System 1/8000s HSS Support 32 Channels 16 Groups Compatible with Nikon Series Cameras for Godox Series Camera Flashes and Studio Flashes :
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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
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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