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)