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Message: <blockquote data-quote="ceasar" data-source="post: 1602270" data-attributes="member: 26155">Ardy,I think it is mostly a testament to the superiority of Porro Prisms over Roof's.:t:   In the SE, Nikon made the best possible Porro it was capable of making, using state of the art design, materials and coatings.  Shine a flashlight into the Objectives and study the fine workmanship of their interiors.  Flawless!  It is evident that they did not stint at all on quality control.  Nikon designed new eyepieces for them.  When Nikon changed it's objective coatings it changed them on the SE's also except for those that were still in stock.  My 10 x 42 SE has different coatings than my 8 x 32.  The 10 x 42 is older than the 8 x 32.It is easier to build a great Porro than to build a great Roof.  But it is a lot harder to sell one!In all the binocular world, probably only Nikon, because of it's size and expertise and worldwide outlets had the where with all to build and market this kind of binocular for as long a period as they did.:king:  Most other companies would have dropped the line much sooner, and others never would have considered making them at all.Cordially,Bob</blockquote>