A compact wireless radio transmitter designed for controlling compatible Canon Speedlites off-camera. The Canon ST-E3-RT mounts to the camera’s hot shoe and uses Canon’s 2.4 GHz radio system to provide reliable remote flash control without requiring direct line of sight. It supports E-TTL II, manual flash control, high-speed sync, and multiple lighting groups, making it a practical tool for portraits, weddings, events, studio work, and location photography.
Key Features ✔ Canon 2.4 GHz radio wireless system ✔ Controls compatible Canon RT Speedlites ✔ E-TTL II and manual flash control ✔ High-speed sync support ✔ Multiple flash group control ✔ No direct line of sight required ✔ Compact hot-shoe mounted design ✔ Ideal for off-camera flash setups
Condition (Excellent) Excellent condition with normal cosmetic wear from previous use. Transmitter is fully functional and ready for use.
Who Is It For? Ideal for Canon photographers who want reliable wireless control of compatible Speedlites for portraits, weddings, events, studio photography, and multi-flash lighting setups.
A compact wireless radio transmitter designed for controlling compatible Canon Speedlites off-camera. The Canon ST-E3-RT mounts to the camera’s hot shoe and uses Canon’s 2.4 GHz radio system to provide reliable remote flash control without requiring direct line of sight. It supports E-TTL II, manual flash control, high-speed sync, and multiple lighting groups, making it a practical tool for portraits, weddings, events, studio work, and location photography.
Key Features ✔ Canon 2.4 GHz radio wireless system ✔ Controls compatible Canon RT Speedlites ✔ E-TTL II and manual flash control ✔ High-speed sync support ✔ Multiple flash group control ✔ No direct line of sight required ✔ Compact hot-shoe mounted design ✔ Ideal for off-camera flash setups
Condition (Excellent) Excellent condition with normal cosmetic wear from previous use. Transmitter is fully functional and ready for use.
Who Is It For? Ideal for Canon photographers who want reliable wireless control of compatible Speedlites for portraits, weddings, events, studio photography, and multi-flash lighting setups.
LIKE NEW MINUS: Items in this category will look like they have just come out of the original box.
Original accessories and packaging are usually included. 99% - 100% of the original condition, even when viewed by
the most discerning eyes.
EXCELLENT PLUS: Items in this category will look like they have had very little to no use, with any
wear only visible under close inspection. 90% - 99% of original condition.
EXCELLENT: Items in this category will have normal signs of use, or signs appropriate with the age of
the item. Most items used by enthusiasts or beginning pro photographers will fall into this category. 75% - 90% of
original condition.
POOR: Items in this category will have excessive signs of wear, brassing, or finish loss, but are
still operational. Heavy use is apparent. 50% - 65% of original condition.
UGLY: Items in this category are either inoperable or so worn from the original condition that they
can't be counted on for reliable operation. While we cannot pay for these items, we are happy to help you recycle
them in an environmentally friendly and responsible way.
Choosing a selection results in a full page refresh.