Last year I had received some very useful advice in here regarding flashes and lenses for my Nikon D90:
Nikon D90: Recommendations For Lens & Flash? (by Loran Jul 10 2011 in Aviation Photography)
After some 10 months of regular use I have taken many good shots with the equipment, however it is sometimes inconvenient when I want to grad a quick cockpit shot to attach the external flash.
I am aware that a pop-up flash diffuser will reduce the range of the already limited pop-up flash range even further, but for cockpit shots it should be fine. Yesterday I took some shots at 12-18mm and didn't have my external flash handy, so I simply held a sheet of paper in front of the flash and the cockpit shot turned out nicely.
Hence my question, does anyone of you have experience with a pop-up flash diffuser? Any recommendations which one fits to the D90?
Thanks in advance for any advice.