I thought id create a step by step procedure to assist those people who would like to extend their hotshoe 2 cable via the methods previously posted - that is via 6 pin mini din plugs.
It worked for me and i was able to extend up to 10m without a problem
PLEASE READ COMPLETE INSTRUCTIONS BEFORE YOU ATTEMPT, TO ENSURE YOU ARE CERTAIN OF ANY
Firstly you will need the following tools.
Multimeter - for checking continueity
2 male 6pin din connection plugs
2 female 6 pin din connection plugs
6 core cable - not necessarily shielded, but multistrand wiring not single core.
Some cutting pliers - for cutting wire
some wire strippers preferable although not necessary - scissors, teeth can be used.
HEATSHRINK (not compulsary but recommended)
some of these tools are displayed below.