Sigma 12-24mm f/4.5-5.6 EX DG Aspherical Autofocus Super Wide-Angle Zoom Lens for the Sony Alpha and Minolta Maxxum DSLR Cameras

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Used Sigma 12-24mm f/4.5-5.6 EX DG Aspherical Autofocus Super Wide-Angle Zoom Lens for the Sony Alpha and Minolta Maxxum DSLR Cameras

SKU: US1841161 MFR: 200205
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Review Summary

2007-02-04T19:00:00

Rated 4 out of 5

Not quite as expected, but good for $$$

The above windows had limits of about 3 words, so I'll try again. I like this lens alot, but it did not serve my desires as much as I thought it would. I wanted a super-wide with exceptional glass to compliment my 17-35. What I got really doesn't measure in at "12mm" it looks more like a 14 or so, which means it really isn't easy to trek with when other things are worth the real estate in a compact bag and this lens has so much overlap in range vs my 17-35 (I shoot for travel mags and assignment and normally carry an 80-200 2.8, 17-35 2.8, 28 2.0, 50 1.4, and a flash and a few filters - another lens is a big chunck of space!!!) The other thing is that you MUST use a flash because of the extreme vignetting caused by the lens when using the on-cam flip-up flash... Now, if Sigma, or any other quality lens maker would make me a truly 12-20 superwide in the 2.8-3.5 range or even faster, I'd sell my boat to buy it, but this isn't quite it...

havasupix.com

Sigma 12-24mm f/4.5-5.6 EX DG Aspherical Autofocus Super Wide-Angle Zoom Lens for the Sony Alpha and Minolta Maxxum DSLR Cameras Specifications

  • Construction

    12 groups /16 elements

  • Angle of view

    122.0½-84.1½

  • F stop range

    F22 / F4.5-5.6

  • Closest Focusing Distance

    11 in. (28cm)

  • Maximum Magnification

    1:7.1

  • Filter Size

    Rear Type (gelatin filter insert)

  • Dimensions (Length x Diameter)

    3.42 in. (dia) x 3.94 in. (length) / 87mm (dia) x 100mm (length)

  • Weight

    21.6 oz. (615g)

  • Notes

    Fixed Type Petal Hood

    Focusing System : Inner Focus

About Sigma 12-24mm f/4.5-5.6 EX DG Aspherical Autofocus Super Wide-Angle Zoom Lens for the Sony Alpha and Minolta Maxxum DSLR Cameras

The large angle of view of the Sigma 12-24 4.5/5.6 EX DG ASPH Zoom (122 degree super wide angle of view at 12mm along the diagonal axis) is ideal for shooting indoors as well as landscape photography. It has a variable angle of view from 122 degrees to 84.1 degrees.

Four Special Low Dispertion (SLD) glass elements are provided for effective compensation of color aberration, which is a common problem with super-wide angle lenses. Two pieces of Glass Mold and one-piece Hybrid aspherical lenses offer excellent correction for distortion as well as all types of aberration.

By effective arrangement of lens elements and advanced technology this lens has Super Compact dimensions of 100mm full-length, and 87mm Maximum Diameter. It is equipped with an Inner Focusing System that will keep the length of the lens unchanged, while controlling aberration.

The models which are equipped with the HSM (Hyper Sonic Motor) System (only in Nikon, Canon and Sigma Camera Mounts) offer Full Time Manual Focusing. It has a minimum focusing distance of 28mm at all focal lengths. This lens is equipped with an integral Petal-Type Hood, to block out extraneous light.

Sigma 12-24mm f/4.5-5.6 EX DG Aspherical Autofocus Super Wide-Angle Zoom Lens for the Sony Alpha and Minolta Maxxum DSLR Cameras Features

  • First Zoom lens that has 122 degree Diagonal Angle of View at 12mm Focal length !
  • Variable Angle of View, from 122 degrees to 84.1 degrees
  • Equipped with 4 piece SLD glass elements and 3 pcs. Aspherical lenses, producing a high level of optical performane.
  • Inner Focusing System insures the length of the lens remains unchanged, whilst controlling Aberration.
  • HSM System (in Sigma Nikon & Canon Camera mounts only) with Full Time Manual Focus.
  • Minimum Focusing Distance of 28cm at all focal lengths.
  • EX DG Series , the Ideal lens for Digital SLR Cameras

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