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Message: <blockquote data-quote="cycleguy" data-source="post: 3399935" data-attributes="member: 112086">Got a little time in the back yard on an overcast day yesterday.  Big difference between these bins is one's a porro and the other is a roof as I mentioned earlier.  The image thru the roof appears larger than the image thru the porro as someone else already mentioned. The porro has a better 3D appearance to it.  Both are really nice views.  The roof has sloppy adjustable eyecups when compared to other adjustable eyecups out there. The porro has fixed rubber eyecups.  Think the roof is more water resistant.  Beyond that it is your preferences and personal ergonomics.  I go back and forth on letting the EII go as I'm not a porro guy, but for some reason i keep holding onto it.  It's a really comfortable view. For $400, you get upper tier optics and good construction... which is a great value and hard to beat.CG</blockquote>