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Amazon.com : Yongnuo YN320EX S 2.4G Wireless Flash Speedlite, HSS 1/8000s TTL M Multi Master Flash Unit, for Sony Cameras for Sony a7 a7ii a6000 A7R-II A7R a6300 a6500 : Electronics
Amazon.com : Godox TT600 Speedlight 2.4G Wireless Shoe Mount Flash w/Built-in Trigger System HSS On/Off Camera Speedlite for Canon Nikon Pentax Olympus Fujifilm Panasonic DSLR Cameras [NOT TTL] : Electronics
Amazon.com : Powerextra Flash Speedlite, 2.4G Wireless Flash Trigger Transmitter Kit for CA Nikon Panasonic Olympus Pentax and Sony DSLR Camera, Digital Cameras with Standard Hot Shoe : Electronics
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Godox X1R-C TTL Wireless Flash Receiver for Canon X1R-C B&H
Zoom Li-on X R2 TTL On-Camera Round Flash Speedlight For Canon (Godox V1) + Flashpoint R2 Pro Mark II 2.4 GHz Wireless Flash Trigger for Canon (Godox X2) - Walmart.com