The Sony 16-35mm F2.8 GM vs the Tamron 17-28mm F2.8
Just a few short years ago you would've been hard-pressed to find photographers who wanted to use third-party lenses over first-party offerings. Until Sigma and Tamron upped their game, the lenses they produced were slow, cheaply made, and couldn't match the image quality of first-party lenses. thephoblographer.com »