Sigma 28mm F1.8 EX DG Aspherical Macro

Wideangle prime lens | Canon EF, Nikon F (FX), Pentax KAF, Sigma SA Bayonet, Sony/Minolta Alpha
Principal specifications
Lens type Prime lens
Max Format size 35mm FF
Focal length 28 mm
Image stabilization No
Lens mount Canon EF, Nikon F (FX), Pentax KAF, Sigma SA Bayonet, Sony/Minolta Alpha
Aperture
Maximum aperture F1.8
Minimum aperture F22
Aperture ring Yes
Number of diaphragm blades 9
Optics
Elements 10
Groups 9
Special elements / coatings 2 aspherical elements
Focus
Minimum focus 0.20 m (7.87)
Autofocus Yes
Motor type Micromotor
Full time manual Yes
Focus method Internal
Focus notes dual focus mechanism, floating focus system, screw drive for nikon mount
Distance scale Yes
DoF scale Yes
Physical
Weight 500 g (1.10 lb)
Diameter 84 mm (3.29)
Length 83 mm (3.25)
Colour Black
Filter thread 77 mm
Hood supplied Yes
Hood product code petal type hood
Tripod collar No
Other
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