Sigma 18-50 mm F2.8 EX DC lens

Sigma has today announced a further extension to its range of DC lenses which are designed specifically for digital SLR's. The new 18-50 mm F2.8 EX DC has a very usable 18 mm wide angle (approx 28 mm FOV on a digital SLR) to 50 mm telephoto (approx. 2.7x zoom). Like all DC lenses the image circle produced by this lens is designed to be just the right size for APS size sensors and hence allows the lens to be more compact than it would otherwise be.

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