Ok, time for some rant n' rave!
How hard can it be to make a web site these days? It is very surprising that so many manufacturers of tech camera gear don't even have web sites (what?!!), and those that have have room for improvement to say the least. Researching digital tech cameras is like going 15 years back in time.
Arca-Swiss? French only?! What? Even if you understand French which I do to some extent (google translate fills the gap), it is a detective work to find out which parts that is actually included when you buy a camera and what you need to make a complete working system. So what is the lens board format? Oh, make a guess from the photo, if there is a photo, and if it is showing the right product. Is the ground glass included? Make your best guess... what is the focal flange range? Hope you find a blog that writes about it. Respond to email? Why? Just learn French and give us a call.
Linhof Techno, Toyo VX23D, etc the list of digital tech cameras can be made long, and every manufacturer makes it really hard to find out about what the product can do how you build a complete system and how you can buy your parts.
If they would just invest 100 bucks in web site development, make manuals downloadable (maybe need to write the manuals first), systems buyable without a expert dealer around the corner etc they would expand their business to a whole bunch of advanced amateurs. But NOOOO. Let's stay in the 90s, oh wait, 80s was even better when there was no Internet.