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便宜鏡頭打鳥

(2009-04-08 13:19:59) 下一個
Sigma 150-500mm OS

1. 100% crop at 500mm. I am actually surprised by its sharpness when the aperture is fully open.



Full view of the above



2. Another bird



Lessons learned: birds move really fast, so really shutter speed is required to get photos as sharp as #1, unless the bird is momentarily stationary.
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