Promaster 4173 Speed Ring (speedotron) On Camera Flashes when the burden is lighter

when the burden is lighter

/43m at ISO 100 and 105mm flash coverage

Collapse it down all the way

The 5” HDMI monitor that packs a punch

The hot-swap system allows for replacement of the battery closest to the door (battery A) with no interruption to shooting as long as the battery in chamber B has enough power to keep the camera on

Promaster 4173 Speed Ring (speedotron) On Camera Flashes when the burden is lighterProMaster Softbox Speed Rings are the complete 2 piece set required to mount a ProMaster softbox to your studio flash. The inner ring which attaches to your flash may also be used to mount other speed ring compatible accessories. Fits Speedotron compatible flash heads.