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<blockquote data-quote="Bengt Nyman" data-source="post: 510146" data-attributes="member: 13692"><p>Thanks for trying Wayne. Been there done that. If I want data before I buy I guess I wait, wait, wait.</p><p>When you buy a car the manufacturer provides the data you need. It seems the photographic business, especially the lens business, feels no obligation to do that. An occasional MTF chart with 10 and 20 LP/mm when the lens is supposed to deliver between 40 and 50 LP/mm is not an answer. We should demand that the lens manufacturers provide reliable lens performance data.</p></blockquote><p></p>
[QUOTE="Bengt Nyman, post: 510146, member: 13692"] Thanks for trying Wayne. Been there done that. If I want data before I buy I guess I wait, wait, wait. When you buy a car the manufacturer provides the data you need. It seems the photographic business, especially the lens business, feels no obligation to do that. An occasional MTF chart with 10 and 20 LP/mm when the lens is supposed to deliver between 40 and 50 LP/mm is not an answer. We should demand that the lens manufacturers provide reliable lens performance data. [/QUOTE]
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