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Message: <blockquote data-quote="mikfoz" data-source="post: 1442741" data-attributes="member: 72221">I still maintain that people who are using the superduper fast prime expensive lenses would be the first to admit that using any big telephoto lens takes some serious getting used to and fine focussing skills are essential. Give yourself a week, Fozzy, before expecting consistent results. Only reason I hit the ground running is because I'm used to using a 500mm mirror so if anything the bigma was easier to get results from. I can't wait to take it to the British Grand Prix in June. Using a prime there would suck.By the way, worried about cropping? Heres a 100% crop of a Chaffinch with no software tweaking and directly from a camera processed JPEG (yes, I know it's not the same lens but I'm trusting the review here) - detail a problem?</blockquote>