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Sigma 120-300mm f/2.8: Razor Sharp on Canon 5D Mark III

Writing this at 11,600' elevation high in the mountains, with a cell signal.

The Sigma 120-300mm f/2.8 DG OS HSM S is impressively well built with a metal (!) lens hood, apparently metal body with a finish I rate more attractive than Canon or Nikon 300/2.8 designs. It is one of the new top-line lenses like the impressive Sigma 35/1.4 DG HSM.

The optics so far appear to be first rate: what better test than demanding razor sharpness into the corners wide open on stars? I really like having the zoom range over a fixed 300mm.

I’ll have review coverage in DAP upon my return.

Sigma 120-300mm f/2.8 is available at B&H Photo for about $3499 for Canon and about $3499 for Nikon. Caution as there are older versions (different design) for $2499.

Kuna Peak, Yosemite
Canon 5D Mark III + Sigma 120-300mm f/2.8 DG OS HSM, 354 seconds @ f/2.8, ISO 100
Boulders, Tuolumne River, Yosemite
Canon 5D Mark III + Sigma 120-300mm f/2.8 DG OS HSM, 30 seconds @ f/16, ISO 100
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