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Message: <blockquote data-quote="Hirundapus" data-source="post: 1279393" data-attributes="member: 17029">"Is micro adjustment only useful if you have a lens that is front/back focusing or are all lenses slightly out and would benefit from micro adjustment ?"I'd be interested in the answer to this too, if anyone can help please?Also, do micro adjustments need re-doing for specific lenses if converters are taken on and off?Also, does anyone know, am I right in thinking that the megapixcel count of this 50D (and the Mark III DS) is approaching the theoretical maximum for lens resolving power reasons? If so, while the 50D should be great for cropping in to small-in-the-frame bird images, there is no need for megapixcel counts to continue going higher beyond this?</blockquote>