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The Sigma 28mm F1.8 EX DG ASP Macro are wide-angle prime lenses designed for use with full-frame DSLR cameras.

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light gathering is really great, brings out the contrast and sharpness really well

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cost makes it accessible to hobbyists

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delivers great pictures up close and at infinity setting

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allows for fairly close focus, making it possible to do a great many more shots than usual

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a bit soft when wide open, although not severely so and still better than having to use a flash

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while it can do some macro, it can't quite magnify to the point where you can do live insect photos

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a bit bulky and heavy for what it does

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AF is unreliable, often need to manually focus for best results

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The Sigma 28mm F1.8 EX DG ASP Macro are wide-angle prime lenses designed for use with full-frame DSLR cameras, though they’re also compatible with smaller APS-c size sensors as well. Featured is a wide-angle 28mm focal length geared for general-purpose use, in that it’s wide enough for scenic/landscape assignments, but not so much as to cause problems when taking photos indoors. Mind you, it’s also an effective option for professionals, what with its EX construction and 1.8 aperture. It has received praise for being future-proof, in that it can fit on both cropped- and full-frame cameras. Plus it offers a large aperture for ultra-fast operation in low-light conditions; a superior depth-of-field that’s been rated as smooth; and a sturdy construction. The one noticeable downside, however, is the size (it’s very big) and autofocus, which has proven to be unreliable and at times slow.

  • Wide-Angle Prime Lenses
  • DSLR / APS-C Compatibility
  • General Purpose / Professional Use
  • Two Aspherical Glass Elements
  • Non-Rotating Front Lens
  • Lens Hood
  • Front/Rear Lens Cap
  • Carrying Case
  • 10 Elements in 9 Groups
  • 75.4’D (Degree) Angle of View
  • 9 Diaphragm Blades
  • f22 Minimum Aperture
  • 7.9” Minimum Focusing Distance
  • 77mm Filter Size
  • 1:2.9 Maximum Magnifications
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