Tamron announces a compact $549 70-300mm F4.5-6.3 for Sony E mount cameras: Digital Photography Review

Tamron deems the lens, which is set to go on sale starting October 29, ‘the world’s smallest and lightest telephoto zoom lens for Sony E-mount full-frame mirrorless cameras.’

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Tamron announces a compact $549 70-300mm F4.5-6.3 for Sony E mount