$399.95

Sigma 24-70mm f/2.8 EX DG MACRO

see the whole gallery in large	Full frame sized image Lenses that create APS-C sized image are designed for digital only. They cannot be used on cameras that have image sensor larger than the APS-C format. These lenses are not suitable for film cameras either. No Ultrasonic AF Lenses with ultrasonic focusing mechanism tend to be quiter and faster than traditionally focusing lenses. No stepping motor AF Lenses with stepping motor focusing mechanism are better for contrast based focusing, and are quiter and faster than traditionally focusing lenses. One or more Low Dispersion lens element is used Low Dispersion lens elements help to reduce chromatic aberration. Not stabilized Image stabilization helps to reduce blur caused by hand shake, especially at high focal length or in low light situations. Image stabilization can give 1 to 3 stop advantage over none stabilized lens, based on the reciprocal rule. Metal mount Cheaper lenses are usually equipped with plastic mount, while more expensive, professional lenses have metal mount. In general, metal mounts are more durable, and a good thing to have when lenses are changed a lot. When a camera is used mainly with one lens, the material of the lens mount is not that important. No Internal Focusing Internally focusing lenses don't change their size while setting focus. The front lens is fixed The fixed front lens is not rotating during zoom and/or focusing. This allows the photographer to use petal shaped lens hood. Fixed front lenses also make the use of polarization filters a lot easier. No drop-in filter support Drop-in filters are used in those lenses where either the front lens is too large, or the field of view doesn't permit the use of traditional filters at the front of the lens. Usually bright tele and ultra-wide angle lenses support this filter type.
Large-aperture zoom starting from 24 mm and realizing a maximum aperture F-value of 2.8. Aspheric lenses and SLD (Special Low Dispersion) glass are used to realize good correction of chromatic aberration and high-quality images. The minimum focusing distance is 40 cm, over the zoom range and macro photography with a maximum magnification of 1:3,8 also is possible. As the front element does not rotate at the time of focusing, a petal-type hood excellent fo blocking out extraneous lihgt can be attached.

Large-aperture zoom starting from 24 mm and realizing a maximum aperture F-value of 2.8. Aspheric lenses and SLD (Special Low Dispersion) glass are used to realize good correction of chromatic aberration and high-quality images. The minimum focusing distance is 40 cm, over the zoom range and macro photography with a maximum magnification of 1:3,8 also is possible. As the front element does not rotate at the time of focusing, a petal-type hood excellent fo blocking out extraneous lihgt can be attached.

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Sigma 24-70mm f/2.8 EX DG MACRO Specification

Sigma 24-70mm f/2.8 EX DG MACRO Specification
Available mount(s)	Canon EF, Nikon F, Pentax K, Sony / Minolta A, Sigma
Application(s)	Portrait, Closeup, Landscape, Interiors, Architecture
Category(s)	Standard zoom
Multiplier	1×
Stabilizer	no
Focal length	24 - 70 mm (2.9× zoom)
Lens construction	14 elements in 13 groups
Angle of view	35mm: 84.1-34.3° digital: 54.8-20.2°
Number of blades	9
Maximum aperture	wide: f/2.8 tele: f/2.8
Minimum aperture	wide: f/32 tele: N/A
Minimum focusing distance	40 cm
Magnification	0.26×
Filter size	82 mm
Size	∅ 88.7 × 115.5 mm
Weight	715 g
Notes
AF speed	0.3 sec. (from close up to infinity)
AF sound
Internal focusing	no
Internal zoom	N/A
Fix front lens	yes
Mount type	metal
Weather sealed	N/A
Drop in filter	no
Ultrasonic AF	no
Stepping motor AF	no
APS-C sized circle	no
Low dispersion lens element	yes
Hard case	N/A
Soft case	N/A
Lens hood	LH875-02 printable lens hood
Tripod adapter	N/A
Discontinued	yes