
If this is your tripod, it says it has a 17.6 lb load capacity
The Sigma 150-600 C is 4.3 lb
so find the total weight of your camera body & the 150-600mm.
I'm sure you are good to go

http://www.bhphotovideo.com …JOdt93m0skCFQymaQod2-MGCA

yes this is the one
thanks for your help