The Bower SFD958C High Power Zoom Flash is an on-camera flash unit for Canon cameras with E-TTL / E-TTL II functionality. The SFD958C has a guide number of 190' at ISO 100 and 105mm, as well as an effective range of 2.3 to 20'. Additionally, it features an automatic zoom head that covers 24-105mm in full frame, or down to 14mm with the attached wide-angle panel.

TTL and full manual operation is possible with this flash unit. While in manual mode, the output can be adjusted from full 1/1 power to 1/128. Also, multiple creative modes are available, including stroboscopic flash, second-curtain flash, and high-speed synchronization.

The SFD958C offers rotation up to 270° and the ability to tilt up 90°. The flash also features a wide-angle diffusion panel and a catchlight panel for getting the best light for your subject.

Included with the SFD958C is a flash stand for off-camera operation and a drawstring bag for protecting the unit during storage.