One of the favorite lenses among news photographers, a 70-200mm f/2.8 or 80-200mm f/2.8 zoom also appeals to many serious photo enthusiasts. Although large and heavy, lenses of this type offer several benefits. Their very wide maximum aperture allows for faster shutter speeds than the more typical f/4.5-5.6 zooms, great for low-light or action photography at lower ISOs (film or digital) for images with less grain or noise. Since these are professional-caliber zooms, they’re also particularly rugged and boast several high-tech optical elements for high quality even at wide apertures…
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