Sigma Announces World’s First F1.8 Constant Aperture Zoom

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Sigma Announces World’s First F1.8 Constant Aperture Zoom | PDNPulse

In a very exciting bit of news for photographers who live and breathe in the low-light world, Sigma today announced a 18-35mm F1.8 DC HSM lens. A constant f/1.8 zoom lens is one and a third stops faster than the f/2.8 lenses that we normally consider a “f

via PDNPulse: http://pdnpulse.com/2013/04/sigma-announces-worlds-first-f1-8-constant-aperture-zoom.html

is supposed to deliver “high-level artistic expression through sophisticated and abundant expressive power.” We’re not sure what “abundant expressive power” means. But if it means fast zoom lenses, we’re all in

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