Sigma's new 300-600mm f/4 is a mythological BEAST of a lens, and here's why
The Sigma 300-600mm f/4 DG OS Sports puts fast 600mm lenses firmly in the ballpark of the enthusiast photographer. We truly ...
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'I used a 18 300 mm lens on my canon r6 and am getting a black vignette on each image' Reviews
Review / 'I used a 18 300 mm lens on my canon r6 and am getting a black vignette on each image' Reviews Buying the right camera, lens, accessory or software to suit your photography is really ...