US$ 110.00
/43m at ISO 100 and 105mm flash coverage
Image blur can be a major issue
5 mm (Approx
responsive focusing
Promaster 4173 Speed Ring (speedotron) On Camera Flashes /43m at ISO 100 andProMaster 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.
US$ 110.00
US$ 160.00
US$ 26.95
US$ 2535.00
US$ 47.95