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Message: <blockquote data-quote="Alexis Powell" data-source="post: 3009707" data-attributes="member: 5327">That does indeed seem a very good option. I wonder how best to get one in the USA. My thought to meet my light weight head desire was to have the QR system of another head machined off, then tapped for a couple bolts to affix a RRS B2-Pro clamp (or similar), not to attach the adapter to the existing QR. But for a more typical (heavy) system, adding the clamp to the unmodified head would not add significant weight (~150 g?), and by removing any rubber and drilling the existing QR for a couple bolts with which to attach the adapter, the connection would be completely solid.For the past year or two, I've been using a Gitzo GH1720 as my light weight scope head. I like it a lot--it is significantly lighter and more stable than the Manfrotto 700RC2. I'm using the slightly sloppy QR that came with the head, but I may have to look into the Gitzo GS5160CDT adapter that you mention.--AP</blockquote>