|EX||Professional lens with high quality optics and robust build. Meets the highest standards and provides excellent performance and flawless image quality unachievable with traditional optical technologies.|
|DG||The lens is designed for full-frame SLR cameras but can be also used on APS-C SLR cameras.|
|IF||The lens has internal focusing. Learn more|
|HSM||The lens is equipped with ultrasonic motor to provide very fast and virtually silent autofocus. Learn more|
|Position in the lineup|
|Sigma 24-70mm F/2.8 EX DG IF HSM||Sep 2008||⊗|
|Sigma 24-70mm F/2.8 EX DG Macro||Sep 2004||⊗|
|Sigma 24-70mm F/2.8 EX Aspherical HF||Feb 2001||⊗|
|Sigma 24-70mm F/2.8 EX Aspherical DF||Feb 2001||⊗|
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|Maximum format:||35mm full frame|
|Diagonal angle of view:||84°-34.3° (35mm full frame)
70.7°-27.3° (Canon APS-H)
59.1°-22° (Canon APS-C)
61°-22.8° (Nikon APS-C)
61°-22.8° (Pentax APS-C)
54.8°-20.1° (Sigma APS-C)
61°-22.8° (Sony APS-C)
|Lens construction:||14 elements in 12 groups, including 3 ASPH, 2 SLD, 1 ELD|
|Closest focusing distance:||38 cm|
|Number of diaphragm blades:||9|
|Type of autofocus motor:||Ultrasonic (Canon EF)
Ultrasonic (Minolta/Sony A)
Ultrasonic (Nikon F)
Ultrasonic (Pentax K)
Ultrasonic (Sigma SA)
|Full-Time Manual Focus:||Yes|
|Weight:||SA: 790 g|
|Maximum diameter x Length:||SA: Ø88.6 x 94.7 mm|
|Materials:||High-quality plastic barrel, metallic mount|
|Filter size:||82 mm|
The lens barrel is heavy, made of high-quality plastic. The lens mount is metallic.
The lens features AF/M focus mode switch.
|AF||Autofocus mode with Full-Time Manual Focus.|
|M||Manual focus mode.|
The lens uses front filters with standard size of 82 mm which are easy to find. However, filters of such size are more expensive and mainly used with professional lenses.
The filter thread does not rotate during focusing which allows convenient use of different types of filters (including but not limited to polarizing and gradient).
Aspherical elements (ASPH, XA) minimize spherical aberration, astigmatism, coma and ensure excellent sharpness and contrast even at maximum aperture.
Low dispersion elements (AD, ED, LD, HLD, SD, UD etc) and fluorite elements minimize chromatic aberrations and ensure excellent sharpness and contrast even at maximum aperture.
|Camera||Nikon D3X||Canon EOS 5D mark II||Nikon D3X|
|Sensor size||35.9×24 mm||36×24 mm||35.9×24 mm|
|Distortion at 24 mm||-2.68 %||-2.88 %||-4.59 %|
|Distortion at 70 mm||+1.28 %||+1.2 %||+0.91 %|
|Vignetting at 24 mm F/2.8||-1.62 EV||-2.25 EV||-2 EV|
|Vignetting at 70 mm F/2.8||-1.14 EV||-1.76 EV||-1.61 EV|
|User Manual. English, Adobe PDF, 267 KB|
|Prime lenses for Canon EOS DSLR cameras|
|Pentax lenses: compendium|