So I purchased one of the new Sigma 18-300mm F3.5-6.3 DC MACRO OS HSM Contemporary lenses for my Canon T1i and the USB dock to make adjustments/updates. There is some definite back focusing at middle ...
Software : Focus Adjustment If you've got a focus issue with your lens and body combination you can adjust the lens to correct it. Some higher-end bodies support in-camera focus adjustments, but they ...
Amateur Photographer on MSN
Sigma 200mm F2 DG OS Sports review – fastest 200mm prime
Angela Nicholson tests the world's first 200mm full-frame f/2 prime lens for mirrorless cameras The post Sigma 200mm F2 DG OS ...
A redesign of Sigma's 150-600mm Sports zoom lens, specifically for L Mount and Sony FE mount cameras brings this massive optic to the mirrorless world. Inevitably, it is big and it is heavy, but ...
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