markinvictoria wrote:
Another thing to keep in mind is the surface in which your tripod sitting on. For years I cussed my tripod/ballhead setup...I would set up the tripod/camera, lock it all down...when I took my hands off the camera...the image would drop about 1/4 inch. Finally came to realize it was because the tripod was sitting on carpet or grass or some other not too solid surface. Especially noticeable with long lenses without a tripod collar...such as the 70-300 variety.
I appreciate the comment but many times the legs are on cement or a hardwood floor so that wouldn't be my problem.