Canon quietly updated their Speedlite transmitter/trigger ST-E3-RT to version 3 (now available for preorder at Amazon and B&H Photo). Shipping is expected to start on March 28, 2024. Additional information: Wireless Rear Curtain Synchronization 5 Groups or 15 Speedlites, Range: 98.4′ 8 Custom Functions, 3 Personal Functions LCD Information Panel, Backlit Controls Take full … Continue reading Canon quietly updated their Speedlite transmitter/trigger ST-E3-RT to version 3 (now available for preorder)