As an avid birdwatcher and photographer, this is the equipment I swear by to attract the most birds and capture stunning ...
Digital Camera World on MSN
Sigma 20-200mm f/3.5-6.3 DG Contemporary review - this superzoom stretches to angles other lenses don't reach
The Tamron 28-200mm f/2.8-5.6 Di III RXD predates the Sigma 20-200mm by five years. The Tamron has a slightly faster aperture ...
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