Sigma 70-300mm F4-5.6 DG OS

Announced Sep 4, 2009 •
Telephoto zoom lens | Canon EF, Nikon F (FX), Pentax KAF3, Sigma SA Bayonet, Sony/Minolta Alpha
Principal specifications
Lens type Zoom lens
Max Format size 35mm FF
Focal length 70–300 mm
Image stabilisation Yes (4 stop claimed)
Lens mount Canon EF, Nikon F (FX), Pentax KAF3, Sigma SA Bayonet, Sony/Minolta Alpha
Aperture
Maximum aperture F4.0 - F5.6
Minimum aperture F22.0 - F32.0
Aperture ring No
Number of diaphragm blades 9
Aperture notes rounded diaphragm
Optics
Elements 16
Groups 11
Special elements / coatings 1 SLD glass element
Focus
Minimum focus 1.50 m (59.06)
Maximum magnification 0.26×
Autofocus Yes
Motor type Micromotor
Full time manual No
Focus method Extending front
Focus notes AF will not function with Pentax camera bodies that do not support HSM
Distance scale Yes
DoF scale Yes
Physical
Weight 610 g (1.34 lb)
Diameter 77 mm (3.01)
Length 126 mm (4.96)
Sealing No
Zoom method Rotary (extending)
Filter thread 58 mm
Filter notes rotates on focusing
Hood supplied Yes
Tripod collar No
Other
Notes For Pentax and Sony mount, it is not possible to use AF and OS when attaching to a film SLR, Pentax ist* series and K100D DSLR cameras
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