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Sigma 204101 12-24mm f/4.5-5.6 DG HSM Lens for Canon — main product image
Sigma

Sigma 204101 12-24mm f/4.5-5.6 DG HSM Lens for Canon

★★★★★3.6 (275 reviews)
f/4.5

Capture the World in its Widest GloryIntroducing the Sigma 12-24mm f/4.5-5.6 AF II DG HSM Lens, engineered specifically for Canon Digital SLRs. This ultra-wide-angle zoom lens delivers exceptional image quality, leveraging cutting-edge optical design for superior performance across the entire zoo...

$548.00*
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*Price sourced from Amazon.com. Last updated:Jul 14, 2026.Price and availability are subject to change.

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Overview

Capture the World in its Widest Glory

Introducing the Sigma 12-24mm f/4.5-5.6 AF II DG HSM Lens, engineered specifically for Canon Digital SLRs. This ultra-wide-angle zoom lens delivers exceptional image quality, leveraging cutting-edge optical design for superior performance across the entire zoom range. Ideal for capturing expansive landscapes, dramatic perspectives, and architectural marvels, this lens ensures sharp, high-contrast images even at maximum apertures.

Key Features:

  • Compatible with full frame digital SLRs
  • Ultra-wide 12mm focal length
  • FLD and SLD lens elements
  • Fast and quiet autofocus

Specifications:

  • Lens Construction: 17 Elements in 13 Groups
  • Angle of View: 122 - 84.1 degrees
  • Number of Diaphragm Blades: 6 Blades
  • Minimum Aperture (W): F22
  • Minimum Focusing Distance: 28cm / 11in.
  • Maximum Magnification: 1:6.4
  • Dimensions (Diameter x Length): 87mm x 120.2mm / 3.4in. x 4.7in.
  • Weight: 670g / 23.6oz.

Key Features

Compatible with full frame digital SLRs

Ultra-wide 12mm focal length

FLD and SLD lens elements

Fast and quiet autofocus

Specifications

Focal Length
12-24mm
Maximum Aperture
f/4.5-5.6
Lens Elements
FLD, SLD
Autofocus
HSM (Hypersonic Motor)
Mount Type
Canon
Compatibility
Full Frame Digital SLRs

Pros & Cons

👍 Pros

  • This Sigma lens is compatible with full-frame digital SLRs, offering broad utility for many photographers.
  • Features an ultra-wide 12mm focal length, ideal for capturing expansive landscapes, architecture, or interiors.
  • Incorporates FLD and SLD lens elements, which typically help reduce chromatic aberrations and improve image quality.
  • Equipped with a fast and quiet autofocus system, beneficial for both still photography and video recording.
  • Offers a versatile zoom range from 12-24mm, providing creative flexibility for various wide-angle shots.

👎 Cons

  • The variable aperture of f/4.5-5.6 might be less ideal for low-light conditions compared to constant, wider aperture lenses.
  • Specific details on weather sealing or dust resistance are not provided, which could be a consideration for outdoor photographers.
  • The lens is designed for Canon mounts, limiting its direct compatibility with other camera systems.
  • While featuring FLD and SLD elements, specific image quality benchmarks or MTF charts are not included in the description.
  • The weight and dimensions of the lens are not provided, which could be a factor for portability and handling.

Frequently Asked Questions

This Sigma lens is designed for Canon mount cameras and is compatible with full-frame digital SLRs.
The lens offers an ultra-wide zoom range from 12-24mm, making it suitable for capturing wide perspectives.
With a variable maximum aperture of f/4.5-5.6, this lens might be less optimal in very low light situations compared to lenses with a wider, constant maximum aperture.
The Sigma 12-24mm lens incorporates both FLD (F Low Dispersion) and SLD (Special Low Dispersion) lens elements to enhance image quality by minimizing aberrations.
The lens features a fast and quiet autofocus system, which is beneficial for capturing subjects quickly and unobtrusively.

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