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Title: Nice accessory to get closer
Review: I have used the 1.4x II extender for over a year. It gives me amazing detail with my 70-200L f/4 lens on a 20D. I use it mostly for wildlife and butterflies. Contrast is good with colors that pop. When shooting on a sunny day the shutter speeds are still quick with the f/5.6 and the background is blurred beautifully. In shade areas and low light a tripod is a must! There hasn't been any sacrifice in subject detail. I can see individual hairs on butterfly bodies even when shooting wide open. This is a great way to get closer without paying a significant amount for a supertelephoto lens.
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