The Profit OCF Zoom Reflector is compact and lightweight which makes it ideal for shooting on-location. The OCF Zoom Reflector is so portable it even fits into the B1 case while mounted on the B1 or B1X - making it a handy timesaver when packing up. It doubles the effective light output at two meters range and also offers a wide beam angle adjustment range that extends light shaping opportunities further. Recommended for: Profit OCF flashes (B1, B1X and B2), D1 and D2 Max light output: Up to 1. 2 f-stop compared with built-in reflector Use Restrictions: Max 1000Ws flash Max 300W modelling light Note: The OCF Zoom Reflector is not recommended for Promenades/Probe Heads or Acute D4/Acute Heads.