Key Features

• Guide Number: approximately 131.2 ft./40m at ISO 100 and 200mm
• Exposure / Flash Control: Canon E-TTL II, Canon  E-TTL
• Recycling Time: 0.1 - 2.5 sec

Key Features

• Guide Number: 196.9 ft./60m at ISO 100
• Exposure / Flash Control: E-TTL II, E-TTL
• Recycling Time: Approx. 0.1 to 1.2 Seconds

Key Features

• Guide Number: 196.9 ft./60m at ISO 100
• Exposure / Flash Control: E-TTL II, E-TTL
• Recycling Time: Approx. 0.9 Second