Apr 18

Sigma creates First f/1.8 Constant Aperture Lens

Sigma has announced big news in the lens world.  The company release the very first  f/1.8 Constant Aperture Lens.  The lens is the first to achieve a maximum aperture of f/1.8 throughout its zoom range.  In the past photographers had to carry prime lens to achieve f/1.8 but now we should see more zoom lens to do the same.

via Gizmodo

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