JY-670C is a professional macro ring lite which is special designed for Canon cameras , the guide number is 14(ISO 100M). Combine with manual mode and AF mode, completely compatible with Canon E-TTL system, automatically turn on AF focus beam , exposure compensation and rear-curtain sync.

• Guide Number: 14(ISO100/m)

• Recycle Time: approx.0.1~5s

• Exposure Lock: Yes

• Rear-curtain Sync: Yes

• Effective Distance: approx.20cm-5m

• Color temperature: 5500K

• Flash coverage: 80° degrees in either direction

• Flash configuration: Two flash tubes can be fired together or singly

• Flash ratio control: 1:8~1:1 in 1/2-stop increments

• Focusing lamp coverage: approx. 40°top and bottom and 45°left and rights / On time: approx. 20sec

• Supply battery: 4x AA/LR6 alkaline batteries (batteries not included)

• Battery life: Approx. 100-800 flashes (with AA/LR6 alkaline batteries)

• External power source: Compact battery pack CP-E4