That's what they quote in their brochure (www.gitzo.com), and the instructions advise the user not to exceed the max specified load.........but I'm sure you may be correct it may be more of a theoretical breaking point. However their 2007 brochure does seem to illustrate one of their carbon tripods carrying a load of 99kg! Hype?....I don't of course know, one would have to take this up with Gitzo.
Originally Posted by Marco B
The fact they mention it for 300-500mm lenses is more about stability and not payload for the series 3 Studex range is somewhat lighter then their series 4 and 5.
Anyway my Ebony with my largest lens weighs no more then 4kg and my Manfrotto geared head has a published payload of 7.5kg and weighs a mere 1.6kg.
Also it comes with a 5 year warrenty (conditions apply) so if it gives way under normal use I'll be on to them like a 'ton of bricks'.....or should that be 18kgs of bricks?