jb007 said:Philippe, (G for Gitzo) G1327 has a different centre arrangement to the G1325, so they are not fully interchangable, also the G1325 is very high indeed can't imagine needing a centre column for height. So, gentle suggestion consider the G1325 preferably with the G1321 too if you do landscapes, architecture, or other pics where a level horizon etc. is useful; for birding type shots you may not need the G1321, but apart from the weight, it doesn't hurt to have it. My 2p. Oh, have you d/l the PDF files from Gitzo & RRS? They help visualise what you need.