No, I haven't taken apart any thing. And I believe you about some of the piano hinge roofs being as you say.
I also understand Nikon has an excellent rep for building binoculars that hold up. The Nikon LX 8X32 I bought from you, I understand, has held up to Barsness's "alaskan guide testing," for instance. It would be a radical departure for Nikon to build something in that price catagory that would be anything but tough. Hence my questions. E