Sigma lense

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Understanding focal length: Testing 18-55mm and 70-300mm lenses
Welcome to the another digital photography school tutorial on understanding focal length. It's not so long away when I entered magical world...
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Save 20% and More On Canon Mount Wide Angle Lenses (Rokinon, Samyang, Sigma, Bower)
There is a huge sale going on on Amazon for Canon mount lenses. I'm not an expert in photography, it has been just a while since I'm a lucky owner of...
September 21, 2015