Profoto 100992 Umbrella Diffuser, Large photography 8" This lens has a

8" This lens has a minimum focusing distance of 11

Perfect ARC technology

Versatile telephoto zoom is designed for full-frame Canon EF-mount cameras

internal reflections and light scattering that can occur between the surfaces of its glass elements

Profoto 100992 Umbrella Diffuser, Large photography 8" This lens has aProfoto 100992 Umbrellla Diffuser, Large For Large Shallow & Deep Umbrellas Reduces Output by 1. 5 Stops This large Umbrella Diffuser from Profoto pulls over the front of a white or silver umbrella to turn it into a softbox. It creates a softer, more diffuse light. The diffuser will also reduce the output of your light by approximately 1. 5 stops. This model is compatible with the large shallow and deep White and Silver Umbrellas.