|DG||The lens is designed for full-frame SLR cameras but can be also used on APS-C SLR cameras.|
|HSM||The lens is equipped with ultrasonic motor to provide very fast and virtually silent autofocus. Learn more|
|| A||Belongs to Art series lenses.|
|Position in the lineup|
|Sigma 12-24mm F/4 DG HSM | A||Sep 2016||⊗|
|Sigma 12-24mm F/4.5-5.6 DG HSM II||Feb 2011||⊗|
|Sigma 12-24mm F/4.5-5.6 EX DG Aspherical HSM||Oct 2003||⊗|
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|Maximum format:||35mm full frame|
|Diagonal angle of view:||121.9°-84° (35mm full frame)|
|109.7°-70.7° (Canon APS-H)|
|97.2°-59.1° (Canon APS-C)|
|99.3°-61° (Nikon APS-C)|
|92°-54.8° (Sigma APS-C)|
|Lens construction:||16 elements in 11 groups, including:|
|Number of blades:||9|
|Closest focusing distance:||@ 24mm: 24 cm|
|Type of autofocus motor:||Ultrasonic (Canon EF)|
|Ultrasonic (Nikon F)|
|Ultrasonic (Sigma SA)|
|Full-Time Manual Focus:||Yes|
|Weight:||SA: 1150 g|
|Maximum diameter x Length:||SA: Ø102 x 131.5 mm|
|Materials:||High-quality plastic barrel (TSC)|
|Weather sealing:||Water-resistant mount|
|Fluorine coating:||Front and rear elements|
|Filter size:||No thread|
Design and Features
For information on history of Sigma and development of Sigma Global Vision line please refer to the article dedicated to Sigma 35mm F/1.4 DG HSM | A.
Improved version of Sigma 12-24mm F/4.5-5.6 DG HSM II with new optical formula which provides constant maximum aperture F/4 at the entire focal range, modern barrel design, moisture resistant mount, fluorine coating on front and rear optical elements. The newly designed Hyper Sonic Motor (HSM) offers 1.3 times the torque of its predecessor. Even at low speeds, it offers exceptionally stable performance. The lens for the Nikon camera includes the electromagnetic diaphragm mechanism.
The lens barrel is heavy, made of high-quality plastic (TSC). The lens mount is metallic, water-resistant. Please refer to the article dedicated to Sigma 35mm F/1.4 DG HSM | A for more information about TSC. In terms of build quality and design Sigma Global Vision line is a new direction for the company: cosmetically the lens differs from the earlier models and looks attractive.
The lens has rather narrow focal range. Formally it is the disadvantage, however in practice it contributes to a good compensation of optical aberrations and equally high image quality at the entire focal range.
The lens features AF/MF focus mode switch.
|AF||Autofocus mode with Full-Time Manual Focus.|
|MF||Manual focus mode.|
Due to the prominent convex profile of the front element the lens does not have a filter thread.
The lens is compatible with Sigma USB dock, an optional accessory which allows to connect the lens to a computer and customize its operation via Sigma Optimization Pro software. The customization for this lens includes updates of firmware via the Internet, autofocus microadjustments for 4 focal lengths and 4 shooting distances and setting the amount of rotation of the focusing ring which triggers FTM focusing.
Sigma also offers paid Mount Conversion Service (MCS) for this lens. With MCS, the mount of the lens can be converted to Canon EF, Nikon F or Sigma SA. Teleconverters, USB docks and other accessories for this lens are not eligible for MCS.
|Camera:||Canon EOS 5D mark III|
|Sensor size:||36×24 mm|
|Distortion at 12 mm:||-2.54 %|
|Distortion at 24 mm:||+1.66 %|
|Vignetting at 12 mm F/4:||-1.72 EV|
|Vignetting at 24 mm F/4:||-1.25 EV|
|Prime lenses for Canon EOS DSLR cameras|