Sigma 300-800mm F5.6 EX DG APO HSM – The Ultimate telephoto zoom
Recently I was looking at bird photographs posted on Birdphotographers.net and saw a really beautiful image of two crowned cranes in a courtship dance. (click here to see the photo) As usual, I looked at the technical info to see what lens the photographer had been using and was very surprised to see that it was a Sigma 300mm-800mm zoom[…]
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