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Message: <blockquote data-quote="jring" data-source="post: 3668320" data-attributes="member: 133897">Hi,it really depends on how you define build quality - some possible categories:- consistent optical quality (think lemons which just don't give a good view)- consistent mechanical quality (the usual focuser problems)- resistance to chemical agents (think rubber armor getting tacky with time - Leica Televid spotters getting blind when exposed to salty air)- water proofing (think the Leica U-Boat affair)- resilience to serious abuse (think torture tests like allbinos, the Zeiss conquest torture video or finally the proofing instructions for east german army Zeiss Jena EDF)But since a rigorous test with the numbers for statistically significant results might be a lot of work or quite expensive if using the last category, we will have to do with anecdotal evidence...For that I can contribute, that I like my Nikon porros quite a lot so far - optics and mechanics are great and no problems with armor either. This seems to be consistent with the relative lack of compaints in the Nikon subforum.Joachim</blockquote>