High Speed Sync...help me understand

rockcanyonphotosrockcanyonphotos Registered Users Posts: 117 Major grins
edited October 18, 2010 in Sports
www.rockcanyonphotos.com

Canon 1DM4, 300mm 2.8, 70-200mm 2.8, 200mm 1.8, 24-70mm 2.8, 85mm 1.8
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