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Message: <blockquote data-quote="BruceH" data-source="post: 3383495" data-attributes="member: 106398">SD .... Thanks for taking the time to follow up and compare the different years of the 8.5X SV EL.  As I mentioned earlier, I figured you would probably not be able to judge if there is a difference in rolling ball since you do not see it in the early production model.  After seeing your note, I went to an outdoor store that had the latest and greatest new model ProField of the 8.5X and took a look at it.  Just as it was with an early production model of the 8.5X SV EL, the rolling ball was profound for me.  I did not have both for a side by side comparision, but based on my previous experiences with the 8.5X, I am inclined to believe there has been none or very little in the way of changes to reduce rolling ball experience for people like me.  Based on your comments on the view and my experience with RB, I doubt there have been any material optical changes to the 8.5X that impact the view since it came out around 2010.  Looks like you scored well on your eBay purchase.  It also appears that it had very little use since the focus has smoothed out in the short time you have owned it.</blockquote>