Thanks for the suggestion, but will not be able to compare with a new NL. By the way, did you find your NL Pure is somewhat larger in overall sizes than your Noctivid?
I don't own them, I have only spent time comparing them in stores and at home. But to answer your question - yes, the NL did feel a bit larger, but not really any heavier. Here's a link to a website that has a photo of them next to each other:
Looking for the best binoculars in the world? If so, there's really not a better comparison to do than between the Swarovski NL Pure vs Zeiss Victory SF vs
I've always found Leica binoculars pleasingly small, particularly the Ultravid series, of which I still have two; it seems as though Leica bases part of their product strategy around compactness.