I mean the original Cambo cameras. The actus mini luckily has arca. Not the XL or other older 8x10 etc
Oh, I see.You mentioned Actus and I was thinking my Actus mini, which btw was the first Actus camera.
I also have one of those "original Cambo cameras", Cambo SF 45 view camera. I bought it in 1999 and in that time when I used it actively I didn't see any problems with Arca compability. I used Manfrotto tripods and heads with hexagonal quick mounting plates.
Later, 6-7 years ago. I bought Cambo Ultima D camera (the same camera body which with some minimal modifications is today called Actus XL ).
In that time Arca mount had become the universal standard, and I also was moving from big and heavy hexagonal coupling to smaller Arca mounts. I tried to mount Cambo to Arca head.
So, I found two mistakes in the Cambo rail.
The first. The Cambo rail is not compatible with the Arca mount. I don't know but I guess the patent of Arca mount was the reason in the time when Cambo introduced their first camera with that rail.
The second. There is no camera screw in the rail. We can not srew an Arca plate under that Cambo rail. How easy it could be!
I believe, that's the way you could go. You need the camera srew in the middle of the rail, then you can add the long arca plate under the rail, and youre done.
The problem here is that the Cambo rail is made of too thin material to make screw directly on it but you need something stronger inside of the rail for female screw.
I don't know how mechanically skilled you are, but if not enough, there is maybe somebody around who can do it for you.
