CheshireCat Offline Upload & Sell: Off
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I currently use 1Dx + 400/5.6 for birding (mostly small birds).
I love the handholdability, but I usually find the lens too short and need to crop the final image a lot.
I have tried the 1.4x III (=560/8), but I am not happy with the results. I can live with center point AF only, but the image quality is not there, and 560 is still short.
So I would like to upgrade, but still maintain handholdability (average trip duration is 4 hours). I am considering the following:
1) 400/4 DO II + 2x III = 800/8
2A) 500/4 II + 1.4x = 700/5.6
2B) 500/4 II + 2x III = 1000/8
The 500 will give me more reach, but it is considerably heavier and bigger than the 400 DO II. OTOH, I am a bit concerned about the IQ of the 400 DO II with the 2x III, considering I would use it 90% of the time with the extender.
I appreciate comments about all options, especially from those who have "been there, done that"
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