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What is the difference in image quality between Nikon, Canon, Sigma and Tamron?
Are the lenses of the same brand of image capture stronger Other brands?
1) the image quality is almost the same in the early years. 2) Canon and Nikon lenses tend to last for decades without problems. 3) Nikon and Canon have characteristics of non-generic property of the lens can include in their lenses. 4) the sharpness of the lens to lens varies due to its design characteristics. 5) the fact that most professionals use only OEM lenses, should give you an idea of which lens you can find better for your purposes.
Tamron 18-200mm Lens for Minolta (My favorite)
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