Let there be light: Canon announces compact EL-5 flash for EOS R system: Digital Photography Review
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Amazon.com : Camera Flash Speedlite Altura Photo AP-305C for Canon EOS R RP 90D 80D 70D SL3 SL2 Rebel T7 T7I T6 T6I 5D 6D 7D M5 M6 M50 M100 M200-2.4GHz E-TTL
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Commander Optics Speedlight TTL-613C Camera Flash for Canon DSLR Cameras (Good Upto 180 Ft) + Flash Pouch + Accessory Bundle with 4 AA Batteries & Charger - Walmart.com
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Amazon.com : NEEWER NW600 Flash Speedlite Compatible with Canon Nikon Panasonic Olympus Pentax Fujifilm Sony DSLR and Mirrorless Cameras with Standard Hot Shoe, GN40 On Camera Flash with Manual, S1/S2 Slave Mode :
Bolt VX-760C Wireless TTL Flash for Canon Cameras VX-760C B&H
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Sigma EF-630 Electronic Flash for Canon Cameras F50954 B&H Photo