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90mm Tamron Macro lens question.
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<blockquote data-quote="Eyelight" data-source="post: 361654" data-attributes="member: 24753"><p>Focal length makes no difference when considering the reproduction ratio assuming the published .23x for the 18-140mm is at 140mm. But .23x would be the best ratio for that lens per Nikon. </p><p></p><p>Using a 23.5mm sensor (D7100) that means the close focus for the 18-140 would capture 102mm width of flower. Using a macro with 1x ratio you would capture 23.5mm of flower.</p></blockquote><p></p>
[QUOTE="Eyelight, post: 361654, member: 24753"] Focal length makes no difference when considering the reproduction ratio assuming the published .23x for the 18-140mm is at 140mm. But .23x would be the best ratio for that lens per Nikon. Using a 23.5mm sensor (D7100) that means the close focus for the 18-140 would capture 102mm width of flower. Using a macro with 1x ratio you would capture 23.5mm of flower. [/QUOTE]
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90mm Tamron Macro lens question.
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