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Tree Swallows having a heated discussion, D500 and Sigma 500mm f4 sport, hand held, at 500mm f/4.5, ISO 180, shutter speed 1600. PP using DXO PhotoLab Elite and Affinity photo. : r/Nikon
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Amazon.com : Sigma 500mm f/4 DG OS HSM Sports Lens for Nikon F (185955) : Electronics
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