All depends on where and what you are hunting and what matters to you.. are you looking for a giant, or anything with horns? I personally don't leave home without a spotter on my backcountry hunts. Elk and deer. I have the small kowa 553 for elk usually and my kowa 773 for deer or when i take my horses i always bring that one... there is no way if you are glassing up to a mile or more away you can truly tell the size of an animal through binos. Last weekend i found a buck about a mile away through my 11x binos, i could tell he had size, but no way could tell what exactly he was, now instead of having to hike over there, i kept drinking my coffee and switched to my spotter to realize i was looking at a potential 200" typical... so for me personally, i don't leave home without one, and my legs thank me
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