Sigma 10-20mm F3.5 EX DC HSM

Announced Mar 3, 2009 •
Wideangle zoom lens | Canon EF, Pentax KAF3, Sony Alpha, Sigma SA, Nikon F (DX)
Principal specifications
Lens type Zoom lens
Max Format size APS-C / DX
Focal length 10–20 mm
Image stabilisation No
Lens mount Canon EF, Pentax KAF3, Sony Alpha, Sigma SA, Nikon F (DX)
Aperture
Maximum aperture F3.5
Minimum aperture F22.0
Aperture ring No
Number of diaphragm blades 7
Optics
Elements 13
Groups 10
Special elements / coatings 1 SLD glass element 2 ELD glass elements 2 glass mold aspherical elements 2 hybrid aspherical elements
Focus
Minimum focus 0.24 m (9.45)
Maximum magnification 0.15×
Autofocus Yes
Motor type Ring-type ultrasonic
Full time manual Yes
Distance scale Yes
DoF scale No
Physical
Weight 520 g (1.15 lb)
Diameter 87 mm (3.44)
Length 88 mm (3.47)
Sealing No
Zoom method Rotary (extending)
Filter thread 82 mm
Hood supplied Yes
Other
Notes AF will not function with Pentax ist* series and K100D DSLR cameras that do not support HSM
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