Wireless Shooting Communication Method

When shooting with the flash in a position away from your camera, the camera must communicate various information to the flash, such as shutter timing and shutter speed. The two types of communication are "optical communication" and "radiowave communication".

Optical communication uses infrared light in the flash to communicate information when the shutter button is pressed. This method is supported on many different flash units, and is an easy way to start wireless shooting.

However, if there are objects that obstruct the light between the camera and flash, or if you are shooting in clear weather outdoors, the light may not be able to reach the flash, making communication impossible.

Radiowave communication is not affected by obstructions or lighting conditions. Also, the Olympus radiowave communication system can reach up to 30 m, providing greater freedom over lighting and significantly improved stability.

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