RE: What size binoculars are best for hunting?
I personally prefer my 10X50 Bruntons. Formerly I carried 12X50 Bushnells. I really enjoy the clearity, low light and field of view of these.
Of the ones you posted, the 7X42, 8X40 or 10X50's.
<font color=blue>Good Luck and Good Shooting</font id=blue>
<font color=red>Rob</font id=red>