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Message: <blockquote data-quote="ceasar" data-source="post: 2003654" data-attributes="member: 26155">I ask that because after 10 years your eyesight might have changed.There have been some recent threads here concerning how far binoculars will focus past infinity by people who wear glasses and have strong corrections for nearsightedness.  It seems that if they want to use the binocular without their glasses on that the binocular needs extra focusing room past what would be infinity for people with normal vision in order for them to be able get focus to infinity.  Some binoculars do not have much of this excess room.  If you don't wear glasses and are not nearsighted then, of course, this is not the problem.Bob</blockquote>