Structure of Aircraft and F-1 racing are Carbon Fiber these days.. Here is a source of structural bits.
http://www.dragonplate.com/ecart/categories.asp?cID=20
@Dan, not got to see him in action, he's built at least three or 4 of these things, one of which is a wide-angle which he took to Bosnia post-Balkans War, along with Tom Stoddart (well known photojournalist) the landscapes he has made with the camera are pretty amazing too. He's also used one to photograph children affected by the Bhopal disaster in India, here's some work, I think the most recent images (Matt Damon) are shot digitally: http://bonakdarcleary.com/alastair-thain/
thanks for all the other replies, plenty food for thought
dimento,
here's how I did it:
http://www.largeformatphotography.in...DIY-ULF-Camera
I eventually constructed a second base rail of 25-28 inches as I typically used lenses of 300mm, 480mm, and 610mm.
Michael
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