Sigma 24-70mm F2.8 EX DG Macro

Announced Sep 22, 2004 •
Zoom lens | Canon EF, Pentax KAF, Sony/Minolta Alpha, Sigma SA Bayonet, Nikon F (FX)
Principal specifications
Lens type Zoom lens
Max Format size 35mm FF
Focal length 24–70 mm
Image stabilisation No
Lens mount Canon EF, Pentax KAF, Sony/Minolta Alpha, Sigma SA Bayonet, Nikon F (FX)
Aperture
Maximum aperture F2.8
Minimum aperture F32.0
Aperture ring No
Number of diaphragm blades 9
Optics
Elements 14
Groups 13
Special elements / coatings 2 Special Low Dispersion (SLD) glass elements 3 aspherical elements
Focus
Minimum focus 0.40 m (15.75)
Maximum magnification 0.26×
Autofocus Yes
Motor type Micromotor
Full time manual No
Focus method Internal
Focus notes Dual focus system.
Distance scale Yes
DoF scale Yes
Physical
Weight 715 g (1.58 lb)
Diameter 89 mm (3.5)
Length 116 mm (4.55)
Sealing No
Zoom method Rotary (extending)
Filter thread 82 mm
Hood supplied Yes
Other
Notes Nikon, Sony and Pentax versions use 'screw-drive' focusing
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