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| Re: Lens decision. Show me your 300mm f/4 IS + 2 X TC images. |
You might try picking up a 7D to use with your smaller/lighter glass. A 7D + 400/5.6 or 100-400 or 300/4 IS + 1.4X all work well as a \'walk around\' birding combo (I have owned and used all of those combos for birds). With its much higher pixel density the 7D will give you more cropping \'reach\' with a 400-420mm lens than the 1D2n or 1D3 bodies will with the 500mm. Also, the \'spot focus\' feature of the 7D helps with obtaining accurate focus on small/distant targets.