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Message: <blockquote data-quote="JohnZ" data-source="post: 1367334" data-attributes="member: 35572">Steve, the maximum aperture on Cartmans lens is f5.6 I believe.Cartman, If you stick your feeders nearer some branches then the birds will perch on the branches before going to the feeder. This will avoid having too many pics with the birds on the feeder. Will make for some nicer piccies ?As far as using Tv is concerned I have to confess to being firmly against it. You will not get a faster speed using Tv. The fastest speed that your camera will give you is by using Av. I have recently, due to the gloomy weather, gone as high as the H setting with my 40D. I will dig one of the pics out and post it up here.</blockquote>