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Amazon.com : Nikon SB-700 AF Speedlight Flash for Nikon Digital SLR Cameras, Standard Packaging : On Camera Shoe Mount Flashes : Electronics
Amazon.com : Godox V860III-N Flash for Nikon Camera Flash Speedlite Speedlight 7.2V/2600mAh Li-ion Battery, 2.4G Wireless HSS 1/8000 1.5s Recycle Time 10 Levels LED Modeling Light for Nikon (Upgraded V860II-N) : Electronics
Amazon.com : Commander Optics E-TTL Flash Speedlite Bounce/Swivel with LED Backlit for Canon Rebel T7, SL3, 4000D, 850D, 80D, 90D, R, RP, R5, R6, R8, 6D Mark II, 5D Mark IV &
Amazon sells an AmazonBasics flash for Canon and Nikon DSLRs for just $28: Digital Photography Review
Amazon.com : NEEWER Z1-N TTL Round Head Flash Speedlite for Nikon DSLR Cameras, 76Ws 2.4G 1/8000s HSS Speedlight, 10 Levels LED Modeling Lamp, 2600mAh Lithium Battery, 480 Full Power Shots, Recycle in
Amazon.com : Godox V1N Flash Professional Camera Flash Speedlite Speedlight Round Head Wireless 2.4G Fresnel Zoom for Nikon D5300 D750 D850 D7100 Z7Cameras Camcorder for Wedding Portrait Studio Photography : Electronics
Amazon.com : Voking VK750II TTL Camera Speedlite Flash Compatible with Canon EOS 60D 70D 77D 80D 4000D Rebel T7i T6i T6s T6 T5i T5 T4i T3i and Other DSLR Cameras : Electronics
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Amazon.com : Nikon SB-700 AF Speedlight Flash for Nikon Digital SLR Cameras, Standard Packaging : On Camera Shoe Mount Flashes : Electronics
Amazon.com : Nikon SB-5000 AF Speedlight : Electronics