Originally posted by Sol Invictus Just to clarify, I would need a hotshoe adaptor F (or FG) to go one the hotshoe of the camera and a F5P cord to go to the flash? Do I need another hotshoe adaptor for the flash or can I plug the cord into the flash itself?
Yep that's right,
The hot shoe adapter FG goes on the camera of course and you can use the pop up flash with it fitted.
alternatively ...the hot shoe adapter F can go on the camera and it has another hot-shoe on top of it so you can stick another flash on top of it. The popup flash physically won't go up though.
The off camera adapter F has a 1/4" threaded hole underneath for mounting on tripod/stand and the hotshoe on the top for the remote flash.
This picture of the 3 different adaptors on camera FG, on camera F and the off camera F (left to right)
the picture is from forum member "SoldBear" who knows lots about everything.
The Pentax AF540 flash has a socket on the side so the 5 pin cable goes directly in and you don't need the off camera adapter F.
I dont know of any other flash that has this socket. The smaller AF360 doesn't & neither does my Metz 50 (I dont think any 3rd party flashes do)