... "point source" of the soft mask, Lambency Flash Diffuser "bowl of light" Flash Diffuser can diffuse throughout the soft light inside ... height is between 35 to 38mm Model Size Reference Compatible Flash C1/P1 Width 62-65mm, Height 39-42mm Nikon ... Canon Speedlite 380EX, 420EZ Nikon Speedlite SB-24, Nikon Speedlite SB-25, Nikon Speedlite SB-26, Nikon Speedlite SB-27, Nikon Speedlite SB-28, Nikon Speedlite ...