This new lightweight flash unit
offers all the great benefits of a ring
flash with true TTL compatibility for your Canon Digital SLR Camera.
You'll get even,
shadow-free lighting for your close-up macro shots.
The ringflash is ideal for all kinds of macro photography including
nature, medical, scientific and forensic photography whether you are a
professional or hobbyist.
You can use the
ringflash in your camera's
full automatic mode, semi-automatic mode (aperture or shutter
priority), or manual mode.