Sigma Super Wide Angle Lens

Sigma Super Wide Angle Lens - 12-24mm F4.5-5.6

Sigma Super Wide Angle Lens

This Sigma super wide angle lens signaled the start of a new breed of lenses. Glass designed specifically for Digital SLR’s with a crop factor of 1.5 or 1.6x. Until this release, users of DSLR’s have had to make do with a maximum of 16mm focal length unless they were prepared to fork out a lot of money on a specialised fisheye lens.

More and more manufacturers started producing lines of lenses that concentrate on the "super-wide" end of the spectrum and this Sigma super wide angle lens is no exception.

Sigma Japan announced the 12 - 24 mm F4.5-5.6 EX DG HSM as a lens that is aimed at providing a good wide angle range for digital SLR’s. Also, an ultra wide angle for film SLR’s. On Sigma’s original SD9 digital SLR (with a 1.7x crop) this lens would provide the same field of view as a 20-41 mm lens.

On the Canon EOS-90D/7D II series, this would be approximately 19-38 mm. This lens is available in Sigma, Canon, Nikon, Pentax (non-HSM) and Minolta (non-HSM) mounts. It has an estimated Japanese list price of 99,000 YEN ($689, £340 or €450).

Technical Specifications

  1. 1
    Lens Construction - 16 Elements in 12 Groups
  2. 2
    Angle of View - 122 - 84.1 degrees
  3. 3
    Number of Diaphragm Blades - 6 Blades
  4. 4
    Minimum Aperture - F22
  5. 5
    Minimum Focusing Distance - 28cm / 11 in.
  6. 6
    Maximum Magnification - 1:7.1
  7. 7
    Filter Size - Rear Type (Gelatin Filter)
  8. 8
    Dimensions - Diameter 87mm X Length 102.5mm 3.4 in. x 3.9 in.
  9. 9
    Weight - 600g / 21.6 oz.
  10. 10
    Corresponding AF Mounts - Sigma, Canon, Nikon, Minolta, Pentax

The appearance, specifications, and the like of the product are subject to change for improvement.

The Reviews

The reviews on this lens have been a mixed bunch. For the Canon and Nikon users, it doesn’t compare to their equivalents for quality and ease of use.

The Canon and Nikon lenses are smaller, faster (f/4), lighter, and take real filters. In addition, the Canon covers a wider angle and wider zoom range.

This Sigma is heavier, bigger, slower (max aperture F/5.6) and can only take gel filters attached to the rear. You can’t rotate a polarizer filter while it’s on the camera, nor can you use graduated filters with the Sigma super wide angle lens.

The bottom line is I would go for the Canon or Nikon if your budget can stretch to that, but for around $570, it is worth a look at as a strong alternative if budget is an issue.

Buy the Sigma Super Wide Angle Lens from Amazon for the best price.

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