Thypoch Voyager 24-50mm f/2.8 debuts as first ever Chinese full frame AF zoom
Lens manufacturer Thypoch has launched the Voyager 24-50mm f/2.8, claiming it is the first full-frame autofocus zoom lens developed by...
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Sigma 50-100mm f/1.8 DC HSM | A Review
Michael Topham puts Sigma's latest zoom with a constant f/1.8 aperture to the test