I was bored yesterday so I decided to go out back and play with the 2xTC on the 500.
Trying to get these active little tweety birds in the viewfinder at 1000mm is like trying to catch a look at them through a drinking straw. The AF certainly slows down and the depth of field is about the thickness of a postage stamp. This setup in overcast conditions also dictated fairly slow shutter speed and high ISO.
All in all, I was pleased with the results.
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Thank you for looking.









