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<blockquote data-quote="typo" data-source="post: 3516499" data-attributes="member: 83808"><p>Radim,</p><p></p><p>That tells us nothing that validates any testing process.</p><p></p><p>I appreciate that this a complex issue but I'll try to keep it simple by focussing on a couple of categories. Every one of the binoculars on that list is made to comply with the same resolution standard. It is impossible, even for 'expert photographers' to measure a resolution value with the naked eye, and it's totally obvious from the results they havent't done any scientific testing. </p><p></p><p>If, and it is a big if, their eyesight was optically perfect, then there is some potential to spot differences in effective resolution. This is is quite a different parameter from instrument resolution. With perfect eyesight, something like 80 to 90% of those binoculars would be eyesight limited and would have to score 100%. For 80% of the population they would all score 100%. Those scores are nonsense.</p><p></p><p>I should also point out that contrast and brightness scoring are also nonsense for very sound scientific reasons. They have claimed to have made comparisons, which would be utterly impossible practically to do in comparable conditions and miraculously arrived at some aribtrary ranking that roughly correlates with profitability. I think you should disregard that table and all similar ranking 'reviews'.</p><p></p><p>David</p></blockquote><p></p>
[QUOTE="typo, post: 3516499, member: 83808"] Radim, That tells us nothing that validates any testing process. I appreciate that this a complex issue but I'll try to keep it simple by focussing on a couple of categories. Every one of the binoculars on that list is made to comply with the same resolution standard. It is impossible, even for 'expert photographers' to measure a resolution value with the naked eye, and it's totally obvious from the results they havent't done any scientific testing. If, and it is a big if, their eyesight was optically perfect, then there is some potential to spot differences in effective resolution. This is is quite a different parameter from instrument resolution. With perfect eyesight, something like 80 to 90% of those binoculars would be eyesight limited and would have to score 100%. For 80% of the population they would all score 100%. Those scores are nonsense. I should also point out that contrast and brightness scoring are also nonsense for very sound scientific reasons. They have claimed to have made comparisons, which would be utterly impossible practically to do in comparable conditions and miraculously arrived at some aribtrary ranking that roughly correlates with profitability. I think you should disregard that table and all similar ranking 'reviews'. David [/QUOTE]
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