Yongnuo YN622C II Wireless E-TTL II Flash Trigger Transceiver Set for Canon (2 Units)

The Yongnuo YN622C II is a versatile 2.4GHz wireless flash trigger transceiver set designed for Canon E-TTL II / E-TTL / TTL systems. This kit includes two units, each capable of functioning as a transmitter or receiver, providing reliable and flexible off-camera flash control. With support for high-speed sync up to 1/8000s, 7 channels, and 3 groups (A, B, C), it offers comprehensive control over multiple flash units. The YN622C II features a TTL pass-through hot shoe, PC sync port, and USB firmware upgrade capability, making it an essential tool for both studio and location photography.

Advantages

• Reliable 2.4GHz wireless transmission with up to 100m range
• Full E-TTL II support including high-speed sync, FEC, FEB, and FV lock
• Dual-function transceiver design: each unit can be set as transmitter or receiver
• TTL pass-through hot shoe allows mounting a flash on top of the trigger
• PC sync port for compatibility with studio strobes
• Firmware upgradeable via USB for future compatibility

Suitable for

• Canon DSLR and mirrorless camera users needing wireless off-camera flash
• Wedding, event, and portrait photographers requiring reliable TTL control
• Studio photographers who want to mix Canon Speedlites with studio strobes
• Enthusiasts looking for an affordable yet feature-rich trigger system

Key specifications

• Product Type: Wireless E-TTL II Flash Trigger Transceiver
• Compatibility: Canon E-TTL II / E-TTL / TTL
• Wireless Frequency: 2.4GHz FSK Digital
• Max Sync Speed: 1/8000s (High-Speed Sync / FP)
• Operating Range: Up to 100 meters (328 feet)
• Wireless Channels: 7
• Flash Modes Supported: E-TTL II, Manual, Multi (Stroboscopic)
• Group Control: 3 Groups (A, B, C)
• Flash Zoom Control: Auto / Manual (via camera menu or master flash)
• Exposure Compensation (FEC/FEB): Yes
• Flash Value Lock (FV Lock): Yes
• PC Sync Port: Yes (Input/Output)
• Power Source: 2x AA batteries per unit (4x AA total for kit)
• Firmware Upgrade: Yes (via USB port)
• Indicator: LED Status Lights
• Hot Shoe: TTL Pass-through Hot Shoe (on top), Camera Hot Shoe Mount (on bottom)
• Trigger Function: Transceiver (can act as Transmitter or Receiver)
• Number of Units in Kit: 2
• Shutter Release Function: Yes (requires optional shutter release cable)
• Display: No (LED indicators only)

Recommendations

For optimal performance, use fresh or fully charged AA batteries. The YN622C II is compatible with most Canon Speedlites and many third-party flashes. To update firmware, visit the Yongnuo website and follow the instructions. For shutter release functionality, a compatible shutter release cable (not included) is required.