Originally Posted by Canip
With the term „rocking“, I actually meant that when turning the focus wheel, focusing occurs un-evenly in the two tubes as the bridge pushes and pulls the eyepieces up and down un-evenly (too much play in the mechanics). This is a frequent complaint about cheaper porro binoculars.
Un-even focus, for any reason (mechanical or otherwise) is not something I have observed on the Kingbird. However, with the depth of field being so generous at 6.5x, and my eyes still being young/accommodating, maybe it's there and I just haven't noticed.