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Sigma Corp. of America - 20mm F1.8 EX DG ASP RF
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94.5° Digital/Asperical/RF/EX Wide Angle Lens, 1:4 Maximum Magnification

Model: 20mm F1.8 EX DG ASP RF

Part #: 411

  • Fastest wide angle prime available on market
  • Rear focusing system technology
  • Carrying case, lens hood, front and rear caps
  • Suitable for landscape, wedding and events specialty photography
  • Digital lens is designed to deliver ultimate in performance on full-frame digital SLRs, Sigma DG lenses also bring out best in 35mm SLR film cameras and APS-C size DLSRs
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Digital/asperical/RF/EX wide angle lens offers with an aperture of F1.8 making it fastest super wide angle lens available from any camera or lens manufacturer. For scenic or landscape photographer it’s important to have wide angle lens with excellent optical performance and Sigma’s aspherical lens technology provides high quality images for serious shooter. Sigma’s 20mm lens has field of view of 94.5º and yet provides for close focusing lens-to-subject distance of only 2.6 inches. Such performance parameters provide great creative freedom to photographer who wishes to exploit its capabilities for juxtaposing very near subject with surrounding background. This extreme wide angle view also makes this lens ideal for crating stitched panoramic scenes for dramatic effect. Architectural photographer will find this lens attractive for shooting building interiors and photojournalists will find its fast speed life saver in low light conditions.
  • Fastest wide angle prime available on market
  • Rear focusing system technology
  • Carrying case, lens hood, front and rear caps
  • Suitable for landscape, wedding and events specialty photography
  • Digital lens is designed to deliver ultimate in performance on full-frame digital SLRs, Sigma DG lenses also bring out best in 35mm SLR film cameras and APS-C size DLSRs
  • Aspherical lens complex allows freedom of design, improved performance, reduced number of component lenses and compact size
  • Rear focus system prevents focus-dependent variation in aberration, making high-level image quality possible throughout entire image
  • With their unchanging barrel length, these lenses also enhance balance and stability for photographer
  • Exterior of this lens is EX-finished to denote superior build and optical quality and to enhance its appearance
 
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