I carry my 7x40 Nikons around everywhere. Pretty good for travelling, sports games. I spend alot of time letting people look through them, because they love the enchanced 3d effect during day time.
I have 25x100, but I think its too big to take on my overseas trip next week, since I wont have space for a mount.
EDIT: In regards to that link you posted, its probably not worth it, a phone can do alot of those things.
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