The ultra-compact 220EX features a guide number of 22 (ISO 100 m with fixed, direct flash coverage for lenses as wide as 28mm.

• E-TTL Automatic Flash Exposure Control, FE Lock and FP flash with ETTL cameras
• TTL Autoflash metering with non E-TTL
• Flash Exposure Confirmation Signal lights for 2 seconds
• Powered by 4 AA-size alkaline or lithium batteries
• High power output offering a maximum guide number of 22 (ISO 100, metres)
• Evaluative flash metering that balances flash with ambient light to produce natural looking and beautifully lit photographs
• E-TTL features include E-TTL autoflash, high-speed FP sync mode and Flash Exposure (FE) Lock
• Ultra-compact size (65 x 92 x 61.3mm) and light weight (160 grams) for the ultimate in portability

• Battery Compatibility Fitting: AA
• Guide No. (at ISO 100/m): 22
• Type: Canon AF