Key features
The metal FL-BK04 flash bracket enables the mounting of an external flash onto the side of the camera. It is typically used by professional photographers and photography enthusiasts in news gathering, portrait shooting to avoid unnatural shadows which may appear in the photograph when the external flash is mounted on top of the camera.

This flash bracket is designed to facilitate the operation of the dual-axis LCD monitor on cameras like the E-5, E-30 and E-620. Hassle free Live View shooting is maintained even with the bracket attached.
 

 
Configuration of the flash on the bracket is highly flexible, allowing photographers to position an external flash on either the left or right side of the camera, enabling vertical flash shooting.

The opening angle of the arm can be set in 45-degree increments to adjust the distance between the lens and flash.

The mounting height can be adjusted in 5 steps for versatile positioning.
 

When the FL-50R with its special built-in side threaded socket is used, the flash can be attached even more securely for greater stability.

Flash Synchronisation
When wireless remote flash capable cameras and flash units - FL-36R and FL-50R - are used together, an accessory cable is not necessary for flash activation in shooting situations where there is adequate reflected flash energy from the camera's built-in flash controller. For non wireless remote flash capable camera and flash combinations, or when there's insufficient bounce flash energy from the camera's built-in remote flash commander unit, an FL-CB05 flash extension cable must be used for flash synchronisation.

For more usage and configuration details, please see the following link

Applications
Event photography, photojournalism, portraiture