Originally posted by mokey I've thought of that too...Do you happen to know which model works with the AF540? Some people say fx1 and some say fx2
I use the FX2 with my AF540. It's a necessity for getting shots of birds that tend to hang out in the understory of trees like this guy here.
One thing with the better beamer is to make sure that the beam is aimed where you want it. The tilt lock on my AF 540 tends to be a little loose, so I immobilize it using gaffers tape. Otherwise it'll point off in some odd direction and shoot the light every which way except where I need it.