Profoto 100991 Umbrella Diffuser Med 1.5 Stops Umbrellas and two Hybrid Aspherical lens

and two Hybrid Aspherical lens elements thoroughly controls aberrations including axial chromatic aberrations

and the front element has a protective Fluorine Coating

Generic Bowens Installation Design

3 x 2' Softbox (Rectangular Shape)

Profoto 100991 Umbrella Diffuser Med 1.5 Stops Umbrellas and two Hybrid Aspherical lensThe Profoto Umbrella Diffuser (Medium) is a simple accessory that is pulled over the front of a white or silver umbrella to turn it into a medium sized softbox, thereby creating a softer and more diffused light. Compatible with the Umbrella Shallow White M and the Umbrella Shallow Silver M, this diffuser reduces the output by 1. 5 stops. Compatible withUmbrella Shallow White M Umbrella Shallow Silver M