Eventually I found this little device :
... that goes on the hotshoe for external flash (if those are the right words...) and wears the famous socket. So you can plug in and synchronize an old flash or a studio flash like my Dynasun.
Eureka! LOL
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I made a few bonuses for last chapter, with 6 I made two for Halloween. Here's a double (vertical) page with a "Hundred Demons Parade",…
The story's going on! I uploaded chapter 6, and I'm currently working on chapter 7 - almost done. Link to mangago... There's more than…