Profoto 100504 RFi Speedring for Bowens/Calumet Other Heads which means you won’t waste

which means you won’t waste time steaming it smooth before each use

The 17-50mm F/4 Di III VXD (Model A068) covers a versatile zoom range from ultra-wide through standard focal lengths—no need to switch lenses

The grip head is made of aluminum

including Moisture-Resistant Construction and Fluorine Coating for added durability

Provides up to 450 full-power flashes depending on the A-series model

Profoto 100504 RFi Speedring for Bowens/Calumet Other Heads which means you won’t wasteThe Profoto RFi Speedring Adapter for Bowens Calumet Aurora Fomex makes the RFi softboxes compatible with well over 20 different flash brands, ranging all the way from speedlights to high end studio strobes. Even if you own flashes from many different manufacturers, you now only need one brand of softboxes. The Profoto RFi Speedring Adapter is designed so that the RFi softboxes can be rotated 360 degrees, allowing the photographer to adjust and shape