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Willow Tit

Taken with Canon 40D & Sigma 150-500mm OS Handheld..Lower Tamar Lake Birdhide.

 

Exposure 0.004 sec (1/250)

Aperture f/7.1

Focal Length 400mm

EFL @ 1.6X = 640mm

ISO Speed 400

Exposure Bias 0 EV

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Taken on April 12, 2012