Posts Tagged ‘Sigma’


Upcoming Opportunities

 •  February 4

Visual Arts Alberta–CARFAC will present a free seminar on Taxation for Artists in Calgary on February 9. It will be held at the Alberta College...

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I often take sport photos but many shots are not in sharp focus, why is that?

 •  December 2

My daughter competes in bicycle and ski races so I often take photos with a Canon EOS T2i and an AF 70-300 mm f/4-5.6 zoom lens but many shots are...

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How effective is an image stabilizer?

 •  December 1

"Is a tripod really necessary for a 70-200 mm zoom lens? One friend says yes and another claims that an image stabilizer makes a tripod unnecessary....

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