Promaster 4173 Speed Ring (speedotron) On Camera Flashes Simply touch the LCD screen

Simply touch the LCD screen to focus on the chosen subject

when the burden is lighter

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

responsive focusing

Promaster 4173 Speed Ring (speedotron) On Camera Flashes Simply touch the LCD screenProMaster 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.