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Sigma 28-70mm f2.8 DG


Filter Size
Lens Mount
Aperture Range
Close Focus
Macro Ratio
Year Introduced
Tested with


f2.8 - f22
.19 meters
Eos T2i

The lens i tested was in Nikon 'D' mount. This was the first version of this DG lens which boasted better multicoating for use with digital cameras. It is a full frame lens. I found the sharpness from 28mm to 35mm to be very good at all apertures. At 50mm - 70mm the sharpness is excellent from f4 up. At 50mm f5.6, it is quite sharp. Contrast is average at all focal lengths, but soft at 70mm. Color rendition is neutral. Fringing is well controlled. This a pro-sumer lens. It is capable of excellent results. Shadow detail is excellent. This lens will be excellent for portraits with its sweet spot between 50mm-70mm at f4 - f5.6. Image quality on a Nikon body should be better than what I can produce on a Canon body with an adapter.

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