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This umbrella can be used with your studio strobes or speedlights to bounce the light or as a "shoot through" effectively acting like a softbox to spread soft wrapping light around your subject. It also serves as a contrast regulating tool when held between the sun or light source and your subject.
Godox XProC TTL Wireless Flash Trigger for for Olympus/Panasonic.
Godox TT350C Mini Speedlite TTL Flash for Canon Cameras.