Gadget Place Popup Flash Diffuser for Sony SLT-A77 II Sony SLT-A58 SLT-A99 SLT-A37 SLT-A57 SLT-A65 SLT-A35 Pop-up Flash Diffuser Kit. This is a 4-piece pop-up flash diffuser kit. There are 5 sets of mounting holes on each diffuser to suit various heights of pop-up flash of different cameras. It is a very useful and handy gadget. Samples show the effects of each diffuser.