Promaster 4180 Speedring for Photogenic Camera Grips Fast readout speeds and a

Fast readout speeds and a dynamic range of 15+ stops3 deliver superb image quality with wide sensitivity and reduced noise

Drive Mode and Focus Mode dials

Optical Design : 6 Elements in 6 Groups

Capture your performances in UHD 4K video at 30 fps or in 1080p60 HD video with HDR technology to automatically expose your subject instead of blown-out stage lighting

Promaster 4180 Speedring for Photogenic Camera Grips Fast readout speeds and aProMaster 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 Photogenic compatible flash heads. ProMaster Softbox Speed Rights are available for the following flashes: